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1. 29 Defrost parameters 39 DEMOS SEG ccce croient fecerit e heec 28 A trice perfecte ere eter 29 Setting timer to zero sss 28 Stopping timer 28 Description of Parameters 31 Device off eren 21 DIBGNOSTICS i ec tette 40 Differential temperature control 24 Digital alartWs io 45 Digital inputs 8 Configuration Table 8 bum c a Y 8 Polarity table 8 pnr 10 Drip time nennen 29 Dynamic Set polt terne 21 Control parameters sese 22 Modification depending on current input with negative OffSet 22 Modification depending on current input with positive offset 22 Modification depending on outdoor temperature with negative offset 23 Modification depending on outdoor temperature with positive offset 22 50 E Electrical heater parameters 38 Electromechanical features 46 A tc catt 5 o A I LO DT 5 Extension parameters sss 39 F Fan coni Mabel eee 18 selection of output type 18 Fan control configurati sissie 18 Fan control in cool mode diag aii ansann 25 Fan control in heat mode diag AM as 25 Fan control parameters sss 38 A Lie terere ense 47 FUNCTION ana ile 28 G e Lacan 49 H Heating 21 HOW TO USE THI
2. 400 H03 CT _PaHO5 Number of circuitson machine 1 0 2 Num Pa H06 Numberofcompresorspercrcut 0 4 Num Pa H07 Number of capacity steps per compressor 0 3 Num PaH08 Compressorsonsequence __ oa Fag PaHO9 Circuit balancing 1 010 01 Flag _PaH10 Presence of heatpump 1 1 1 1 1 0 1 Fy PaHll Configuration sti 1 0 1 0 4 Num PaH12 Configuration T2 __ 0 3 Num PaHl3 Configuration T3 __ 0 5 Num PaHi4 Configuration STA 1 1 1 1 0 3 Num PaHi5 ConfigurationsT5 0 1 0 5 Num PaHl6 ConfigurationsT6 n 0 1 1 1 0 3 Num PaHI7 Bottomofscale pressure vlue 0350 KPatlo PaHl8 PolarityIDIID2ID3ID4 1 1 1 1 0 1 Flag PaHI9 JPolaitylDb5ID6ID7IDB So 0 1 Flag ENERGY 400 Rel 02 00 03 2000 Ing PaH20 Polarity ID9 ID10 IDIL ST4 PaH21 Polarity STI 1 1 1 PaH22 Polarity S2 1 1 _ Configuration ID1 Configuration ID2 PaH25 Configuration ID3 1 1 PaH26 Configuration IDA 1 1 111111 1 Configuration ID5 po Configuration ID6 PaH29 ConfiguationID7 SSS S PaH30 j ConfigmaionIDB 1 1 PaH3l Configuration
3. n o 1 0 8 Nm Padll Delay in compressors on in defrost mode Tt 255 Seconds EXTENSION PARAM ETERS measurement PaNOl Polarity of ID12 ID13 ID14 ID15 o o 0 1 X Fag PaNO2 Configuration D12 1 1 0 19 Nm PaNO3 Configuration D13 1 1 0 19 Nm PaNO4 Configuration ID14 CE 0 19 Num PaNO5 Configuration ID15 0 O 0 19 Num PaNO6 ConfiguationrelayO __ 0 z11 Num PaN07 jConfiguatonrelay10 1 0 11 Num ENERGY 400 Rel 02 00 03 2000 Ing Alarms Alarm events per hour 10 DIAGNOSTICS Energy 400 can perform full systems diagnostics and signal a series of alarms Alarm trigger and reset modes are set using parameters Pa A01 Pa A26 For some alarms the signal will not be given for a certain amount of time determined by a parameter For some alarms the number of alarm events is counted if the number of alarm events in the past hour exceeds a certain threshold set by a parameter the alarm will switch from automatic to manual reset Alarms are sampled every 113 seconds Example if the number of events hour is set to 3 the duration of an alarm must fall between 2 113 seconds and 3 113 seconds for the alarm to be switched from automatic to manual reset Automatic reset Manual reset Counter 1 2 3 Alarm Alarm sampling j j j Time 225 s 225 s 225 s 225 s Se If an alarm
4. PaH64 o Ci F 000000 T PaH65 Family serial address o 0 14 Num PaH66 Device serial addres Z o 0 14 Nm PaH67 User password __ 0 25 Num PaH68 Copycard password 0 255 X Num hi If parameters in this category are modified the controller must be turned off and on again to ensure correct functioning Alarm parameters ALARM PARAMETERS measurement Pa A01_ Lowpressure switch bypass time after compressoron 0 255 Seconds PaA02 Low pressure alarm events per hour Z o 0 255 Num Pa A03 _ Flow switch bypass time after pumpon 0 255 Seconds Pa A04 Duration of active flow switch input 1 0 255 Seconds PaA05 Duration of inactive flow switch input J 02255 Seconds Pa A06 Numberofflowswitchalarmeventsperhour 0 255 Num Pa A07 Bypass compressor thermal switch fromcompressoron 0 255 Seconds PaA08 Number of compressors 1 2 thermal switch alarms hour__ 0 255 Num Pa A09 Number of fan thermal switch alarmeventhour 1 0 255 Num Pa A10 Anti freeze alarm bypassafterON OFF 0 255 Minutes PaAll _ Anti freeze alarm activation set pont 127 127 c_ PaAI2 Hysressofant freezealam o Z o 02255 C PaA14 Analogue input high pressure temperature activation s
5. 0770 Parameter or label visible if user password entered correctly password Pa H46 Parameter cannot be modified 0768 Parameter visible from PC only Some visibility settings are factory set For more information please refer to the Param Manager instructions 5 5 1 Copy Card The copy card can store the whole map of Energy 400 parameters To download the map present in the copy card proceed as follows 1 Connect the key to the appropriate Energy 400 output refer to connection diagrams while the device is off 2 Turn on the Energy 400 the parameters map in thecopy card will be copied to the Energy 400 To store the Energy 400 parameters map in memory proceed as follows 1 Connect the copy card to the appropriate Energy 400 output refer to connection diagrams while the device is on 2 From the keyboard access the password submenu refer to menu structure and set the value contained in parameter Pa H46 The instrument s map will be downloaded to the copy card 3 Disconnect the copy card when finished ENERGY 400 Rel 02 00 03 2000 Ing 14 6 SYSTEM CONFIGURATION In this section we will look at how to configure parameters for various loads on the basis of the type of installation to be controlled 6 1 Compressors Energy 400 can control systems consisting of up to two cooling circuits with 1 to 4 compressors If there is a capacity step it will be considered as a compressor Each compressor is p
6. ss 11 RESEL M 49 Reset alarm essere nennen 49 RESPONSIBILITY AND RESIDUAL RISKS 48 Reversing valve seen 19 Reversing valve CONtrol un 27 Reversing valves essent 19 S A 17 SOMA e ceste etes 49 vis AA E A 49 BRO acest iena 9 Serial Interface EWTK eee 5 Serial QUE UIE reden rne enirn 9 Set Poll ect ert ce 49 Setting set points 21 Stand bio E E 21 49 SUMMARY 2 Supplementary electrical heaters 27 SYSTEM CONFIGURATION 15 T Tabella PUSAN aee 41 Tecate 46 TECHNICAL FES TUBES inet idas 46 TEM PERATURE CONTROL FUNCTION S 21 U Unit of MEASUFEMENT nin 9 USE OF THE DEVICE scc tette 47 USER INTERFACE isnin ente 10 V Visibility of parameters and submenus 14 Ww Wall mounted Keyboard 11 51 ENERGY 400 Rel 02 00 03 2000 Ing 52 Invensys Microtech s r l via dell Industria 15 Zona Industriale Paludi 32010 Pieve d Alpago BL ITALY Telephone 39 0437 986444 Facsimile 39 0437 986163 Email microtech invensysclimate com Internet http www microtech com An Invensys company
7. hysteresis and turned off at 19 C set point hysteresis Memory in which data is maintained even when the device is turned off as distinct from temporary memory the data in which is lost when the device is turned off Temperature pressure below or above which proportional output is cut off ENERGY 400 Rel 02 00 03 2000 Ing 49 15 ANALITIC INDEX A Alarm events per hour 40 Alarm parameters ocsi 37 ARI lle EE E 40 Analogt alarm ace emet 45 Analogue pulsi in teet fece 6 configuration table 7 resolution and precision 7 Anti freeze supplementary electrical heater jj E C diagram Anti freeze supplementary electrical heaters s 19 configuration sees 19 probe configuration sess 19 Average number of hours sss 49 B BUNE om 49 C CF Control Fan M 0dUlES 5 Combined or Separate Condensation 26 COMPONGING icici scsi 5 Compressor or power step on off sequences Compressor configuration Simple compressors ss with 1 capacity step sss with 2 or 3 capacity steps Compressor control regulation algorithm 23 Cooling diagram 23 Heating diagram 24 Compressor parameters 38 Compressor timing enne 17 Off on and on on diagram for 1 COMPIESSOF cien rns 17 Off on timing seen 17 on on a
8. 1 Hab o 500 800 C 10 Kpa 10 0 255 C 10 Kpa 10 0525 measurement 0 1 Fg __ 0 255 Seconds PC 255 Seconds Value Limits Unit of measurement D 0 1 ojo le celo PH o a o ko m m z zi mimim O gie c t 3 3 O 0 1 Pr09 Pr10 C Pr09 Pr10 C PO 127 C 127 Pr09 C 02255 PrO9 Pr10 C Pro9Prio C P09 Pr10 C Defrost parameters Extension parameters Parl5 Enable supplementary electrical heaters 0 1 Flag Parl6 Delaofactivationofsupplementaryheater 0 255 C LPari7 Delta of activation of supplementaryheater2 A AA DEFROST PARAM ETERS measurement Padol Defrostenabled o o 0 1 Hag Pad02 Defrost start temperature pressure 500 800 C 10 Kpa 10 Pad03__ Defrostinterval CC 02255 Minutes Pad04 Defrostendtemperature presure 500 800 C 10 Kpa 10 Pad05 Maximumdefrottme n 1 0 255 Minutes Pad06 Compressor reversing valve wait time 02255 Seconds Pado7 j Drptime o 02255 Seconds Pad08 Delaybetweendefrostingofcircuts 02 255 Seconds 10 Padog9 Outputprobedefrostcircuitl Z o 0 8 Num Pad10 Output probe defrost circuit2
9. 1 Pa H06 1 2 Pa H0622 RL1 comp 1 circ 1 RL1 comp 1 circ 1 Step2 cap step1 Comp 1 circ 1 Step2 cap step1 Comp 1 circ 1 Step3 comp 2 circ 1 Step4 cap step1 Comp 2 circ 1 RL1 comp 1 circ 1 Configuration error Step2 cap step1 comp 1 circ 1 Step3 comp 1 circ 2 Step4 cap step1 comp 1 circ 2 Number of circuits Wine The following configurations are available for compressors with 2 or 3 capacity steps Pa HO7 2 or Pa H07 23 with 2 or capacity steps Number of compressors per circuit 1 Pa HO6 1 and Pa H07 2 2 Pa H0622 and Pa H07 3 RL1 comp 1 circ 1 RL1 comp 1 circ 1 Step2 cap step1 comp 1 circ 1 Step2 cap step1 comp 1 circ 1 Step4 cap step2 comp 1 circ 1 Step3 cap step2 comp 1 circ 1 Step4 cap step3 comp 1 circ 1 Configuration error Configuration error 2 23 E U 5 Z ENERGY 400 Rel 02 00 03 2000 Ing 15 Compressors coming on on the basis of hours of operation and circuit saturation Compressors coming on on the basis of hours of operation and circuit balancing 6 2 1 Compressor or power step on off sequences Depending on the temperature conditions detected by the probes the temperature control functions of the Energy 400 may request turning on and off of compressors capacity steps power steps The sequence in which compressors capacity steps steps are turned on and off may be determined by adjusting the values of parameters Pa H08 and Pa H09
10. IDO PaH32 Configuration IDIOT PaH33 Configuration DID Configuration ST4 if digital input Configuration relay 2 po PaH36 Configurationrelay3 gt gt gt PaH37 ConfigationrelayA S Configuration relay 5 Configuration relay 6 PaH40 Configuration relay o PaH4l Polarity RL2 1 0 1 S _ PaH42 PolaityR 3 0 S PaH43 Polarity RLA 0 PaH44 jPolaityRE5 PaH45 Alarm relay polarity o PaH46 Configuration fan 1 output PaH47 Configuration fan 2 output o o PaH48 Free PaH49 Selection of operatingmode o o T PaH50 Enable dynamic set poit o o ooo o Pa H51 _ Offset of dynamic set point during cooling Pa H52 __ Offset of dynamic set point during heating PaH53 Dynamic outdoor temp set point during cooling Pa H54 Dynamic outdoor temp set point during heating Pa H55 Delta dynamic outdoor temp set point during cooling Pa H56 Delta dynamic outdoor temp set point during heating PaH57 Offset STL ooo PaH58 OffstST2 ooo S PaH59 Offset ST3 PaH60 OffsetsT4 S PaH6l OffsetsT5 1 1 PaH62 j OffstSt6 1 1 1 PaH63 0 50Hzl 60Hz 1 1 1 90 1
11. Rel 02 00 03 2000 Ing The following devices shall henceforth be referred to by the codes ST1 ST4 ST1 Temperature control probe inflowing water or air readingrange 30 C 90 C ST2 Configurable probe reading range 30 C 90 C ST3 Configurable NTC probe 4 20mA ST4 Configurable probe reading range 30 C 90 C ST5 Configurable NTC probe 4 20mA ST6 Configurable probe reading range 30 C 90 C Analogue inputs resolution and precision 4 analogue inputs are available on the extension which is not used in this release The resolution of NTC analogueinputs is one tenth of a Kelvin degree They are precise to within 0 8 C within therange of 0 35 C and to within 0 8 C 3 C in the remainder of the scale The 4 20mA input is precise to within 1 FS with a resolution of one tenth of a Kelvin degree if the input is configured as a dynamic set point or Kpa 10 if the input is configured as a pressure probe ST1 ST6 probes can be configured according to the following table Analogue inputs configuration table Differential NTC input Configuration of analogue input NTC input inflowing Digital input request for heating Digital input request for temperature control Not permitted Not permitted Not permitted 4 20 mA NTC NTC heating input for antifreeze for control for dynamic set water water water water point gas reversal water reversal machines machines Not permi
12. as described below Pa H08 Power step on sequence Parameter value Lo 0 1 Depends on number of hours of Unvaried on sequence operation Pa H09 Circuit balacing Circuit saturation Circuit balancing When on sequences depend on the number of hours of operation of 2 available compressors the one which has been operated for less hours will come on first and the one which has been operated for more hours will always go off first In an unvaried on sequence the compressor with the lower number will always come on first compressor 1 before compressor 2 and the compressor with the higher number will always go off first The circuit balancing parameter is significant only if there are 2 circuits and 2 steps per circuit If we select H09 0 all power steps in one circuit will come on before those in the other circuit If HO9 1 balancing power steps will come on in such a way that both circuits are delivering the same power or the difference is no more than one step Let ustake a closer look at the various combinations Pa H08 0 Pa H09 0 CASE OF 1 COMPRESSOR WITH CAPACITY STEP PER CASE OF 2 COMPRESSORS PER CIRCUIT CIRCUIT The compressor with the least hours of operation comes on first then the capacity step for the same circuit the compressor on the other circuit and lastly its capacity step When turning off the capacity step of the compressor with the most hours of operation goes off first the
13. by the compressor in the other circuit the capacity step of the first circuit to come on and lastly the other capacity step When going off the capacity step of the compressor with the most hours goes off first followed by the capacity step of the other compressor the compressor with the most hours and lastly the remaining compressor Example Supposing the system has been configured as follows RL1 Compressor 1 circuit 1 Step2 capacity step compressor 2 Step3 compressor 2 circuit 2 Step4 capacity step compressor 2 if hours comp 1 gt hours comp 2 they will come on in this order Step3 gt RL1 gt Step4 gt Step2 and go off in this order Step2 gt Step4 gt RL1 gt Step3 ENERGY 400 Rel 02 00 03 2000 Ing If all compressors are off to start with the circuit with the lower average number of hours for its compressors will come on first The average is calculated as the ratio between the total number of hours of the compressors available and the number of compressors in the circuit In this circuit the compressor with the least hours will come on first then the compressor in the other circuit with the least hours the other compressor in the first circuit and lastly the remaining compressor Example Supposing the system has been configured as follows RL1 Compressor 1 circuit 1 Step2 compressor 2 circuit 1 Step3 compressor 3 circuit 2 Step4 compressor 4 circuit 2 if hours comp 1 gt hours c
14. can be programmed easily and quickly using a series of interfaces which permit a logical guided approach ENERGY 400 Rel 02 00 03 2000 Ing Analogue inputs 4 INSTALLATION Before proceeding with any operation first make sure that you have connected up the power supply to the device through an appropriate external current trransformer Always follow these rules when connecting boards to one another and to the application Never apply loads which exceed the limits set forth in these specifications to outputs Always comply with connection diagrams when connecting up loads To prevent electrical couplings always wire low voltage loads separately from high voltage loads 4 1 Connection diagrams Basic module TETTE Serial me lec Detail of connectors E 8 Ls 3 Bl LI i Y L 5 3 5 E 12 acy mal GND Fond sta sta fm fn NC ma2 GND GND m s 011 STO sm i2 ache ochik pice fos fos fas foi NC fr pocia foro co fice 7 106 Conn 6 6 Conn B 58 6 5 5 p b 5 B 8 8 8 B i 1 C is 3 B 2 3 3 s c s c comm U comma i EMI ire Tir Conn C m Re je m es Rs fer com Instrument configuration is determined by the values of the parameters associated with inputs and outputs 4 2 Configuration of analogue inputs There are 6 analogue inputs 4 NTC transducers 2 configurable NTC 4 20mA transducers ENERGY 400
15. capacity steps per compressor 3 3 capacity steps per compressor Pa H08 Compressor on sequence 0 depending on hours of operation 1 unvaried on sequence Pa H09 Compressor selection algorithm 0 circuit saturation 1 circuit balancing Pa H11 ST1 configuration Used to configure analogue input ST1 0 No probe 1 Inflowing air water analogue input 2 Heating request digital input 3 Regulation algorithm request digital input 4 NTC differential input Pa H12 ST2 configuration 0 No probe 1 Circuit 1 outflowing water antifreeze inlet air analogue input 2 Cooling request digital input PaH13 ST3configuration 02 No probe 1 Condensation control analogue input 2 4 20 mA condensation input 32 4 20 mA dynamic set point input 4 Antifreeze analogue input for water water machines with gas reversal circuit 1 5 Regulation algorithm input in heating mode for water water machines with manual reversal Pa H14 ST4 configuration 02 No probe 1 Condensation control analogue input 2 Multifunctional digital input 3 Outdoor temperature analogue input Pa H15 ST5 configuration 0 No probe 1 Outflowing water anti freeze inlet air analogue input circuit 2 Pa H16 ST6configuration 02 No probe 1 Condensation control analogue input 2 4 20 mA condensation input non sono ammesse configurazioni macchina con numero di gradini superiore a 4 ENERGY 400 Rel 02 00 03 2000 Ing Pa H17 Pa H18 Pa H19 Pa H20 Pa H21 Pa
16. cooling Condensation pressure temperature value below which the fan runs at minimum cooling speed Proportional band during cooling Temperature pressure differential corresponding to change from minimum to silent maximum fan speed during cooling F07 Fan cut off differential Condensation temperature pressure differential in relation to temperature pressure set point F08 or F14 beyond which fan is cut off Cut off hysteresis Condensation temperature pressure differential for cut off Cut off bypass time Determines the amount of time after fan start up during which fan cut off is excluded Expressed in seconds Maximum speed during cooling May be used to set a speed step corresponding to a given temperature pressure value in cooling mode Maximum fan speed temperature pressure during cooling Condensation pressure temperature value corresponding to the fan speed set for par F13 Minimum speed during heating Minimum proportional fan control value in heating mode Expressed as a percentage of the power supply voltage from 0 to 100 Maximum silent speed during heating Maximum value of proportional fan control during heating Expressed as a percentage of the power supply voltage from 0 to 100 Minimum fan speed temperature pressure set point during heating Condensation temperature pressure value above which the fan operates at minimum heating speed Proportional band during heating Temperature pressure differential corresponding to a change fro
17. defrost mode the fan is OFF The cut off is bypassed for an amount of time equal to Pa F12 after the compressor is turned on If the control requests cut off during this time period the fan will run at minimum speed The fan will always be off if there is an alarm indicating that a condensation fan has shut down refer to table of alarms Energy 400 is on stand by or off YY 7 3 3 Combined or Separate Condensation Parameter Pa F22 may be used to configure a dual circuit machine with a combined condenser o WE rn condensation type If Pa F22 0 the two fans are independent and are controlled by condensation pressure temperature and the status of the compressors in the circuits If Pa F22 1 the outputs of the 2 fans are in parallel and will be controlled as follows by the greater of the condensation probes in the circuits in cooling mode by the smaller of the condensation probes in the circuits in heating mode If one of the 2 circuits does not have a condensation probe a configuration alarm will be generated refer to table of alarms 7 3 4 Hydraulic pump control If the pump is configured for continuous operation Pa P01 0 it will stay on at all times if not Pa P01 1 it will be turned on in response to a request from the regulation algorithm Interaction between the pump the compressors and the regulation algorithm status is determined by the following parameters e Pa P02 Delay between pump on and c
18. down Triggered if probe ST1 configured as an analogue input shorts or is cut off or probe limits are exceeded 50 C 100 C Flow switch All compressors fans and pump will be cut off if manually reset Triggered if the digital input configured as Flow switch refer to digital inputs remains active for an amount of time equal to Pa A04 Goes off if the digital input configured as Flow switch refer to digital inputs remains inactive for an amount of time equal to Pa A05 ENERGY 400 Rel 02 00 03 2000 Ing 43 Probe STA fault Configuration error 1 If it belongs to circuit 1 f combined condensation system 3 Only if manual reset e Automatically reset until alarm events per hour reaches the value of parameter Pa A06 after which manually reset Inactive during timer Pa A03 following pump on All loads will be shut down Triggered if probe ST4 configured as an analogue input shorts is cut off or probe limits are exceeded 50 C 100 C All loads will be shut down Triggered if at least one of the following conditions apply H11 2 ST1 configured as request for heating H12 2 ST2 configured as request for cooling and both inputs are active Sum of compressors and capacity steps on machine exceeds 4 The keyboard is declared present Pa H69 1 and there is no communication between the keyboard and the basic unit All loads will be shut down except the pump Triggered if probe ST1 refer t
19. is triggered more than once within one sampling period 113 seconds only one alarm will be counted Q Alarms with manual reset are reset by pressing the ON OFF button and releasing Manual reset shuts down corresponding loads and requires an operator to intervene reset the alarm using the ON OFF control Manual reset alarms are used mainly to identify problems which could result in damage to the system 10 1 List of alarms When an alarm is triggered two things occur e The corresponding loads are shut down e The alarm appears on the keyboard display The alarm message consists of a code with the format Enn where nn is a 2 digit number identifying the type of alarm such as E00 E25 E39 All possible alarms are listed in the table below along with their codes and the corresponding loads that will be shut down ENERGY 400 Rel 02 00 03 2000 Ing 40 Tabella Allarmi ese i DESCRIPTION LOADS SHUT DOWN COMPI COMP2 COMP3 COMPA FANI FAN2 PUMP RES2 Remote off High pressure circuit 1 Low pressure circuit 1 Thermal switch protection compressor 1 Anti freeze circuit 1 Probe ST2 fault Probe ST3 fault Thermal switch protection condenser fan circuit 1 ENERGY 400 Rel 02 00 03 2000 Ing All loads will be shut down YES YES YES YES YES YES YES YES Triggered by the digital input configured as Remote OFF refer to digital inputs Compressors in circuit 1 will be shut down EN un by the digi
20. liable for any damage incurred as a result of e installation use other than those intended and in particular failure to comply with the safety instructions specified by applicable regulations and or provided in this document use with equipment which does not provide adequate protection against electric shocks water and dust under the effective conditions of installation e use with equipment which permits access to hazardous parts without the use of tools e installation use with equipment which does not comply with current regulations and legislation ENERGY 400 Rel 02 00 03 2000 Ing 48 OR logico Scroll up Stand by Reset Reset alarm Manual reset Scroll down BLINK Average number of hours Loads Set Point Range Hysteresis Permanent memory Cut off 14 GLOSSARY Multiple inputs with an OR relationship to one another are equivalent to a single input with the following status e Active if at least one input is active e Inactive if no input is active To Scroll up a menu means listing the various parameters from the bottom up Pal0 gt Pa 09 gt Pa 08 Indicates that the instrument is waiting in stand by mode all functions are suspended Set to zero Resetting an alarm means reactivating it ready for a new signal A manual reset alarm must bereset using the keyboard To Scroll down in a menu is to list parameters from the top down Pa08 gt Pa 09 gt Pa 10 Means flashing no
21. mode remote on off On Off input in heating mode remote on off On Off input in heating mode remote on off On Off input in heating mode remote on off Compressor turned on or reversal of 4 way valve Compressor turned on or reversal of 4 3way valve None None Pa A10 Pa A10 Pa A10 Par A16 Par A16 absent ENERGY 400 Rel 02 00 03 2000 Ing Pa All Pa All Pa All Pa All Pa A14 Pa A14 Pa A25 Pa itive Pa A18 positive Pa A15 negative Manual reset Pa A15 Manual reset negative Pa A12 Automatic negative Alarm name Bypass Trigger Hysteresis N alarm Regulation probe time set point events hour A12 iguration parameter Pa otherwise alarm is igurati oth parameter P se alarm igurati parameter P oth i ise alarm iguration parameter P 4 otherwise alarm ive ST3 se Pa H13 1 or 2 or else ST if Pa H14 1 otherwise alarm i inactive ST6 if Pa H16 1 otherwise alarm is inactive ST3 if Pa H13 1 or 2 or STA if Pa H14 1 otherwise alarm is inactive ST6 if Pa H16 1 or 2 otherwise alarm is inactive 45 current transformer 11 TECHNICAL FEATURES 11 1 Technical data E mmpical Mi Power supply voltage 1 1 1 1 Power supply voltage Insulation class o 1 Ez ice Protection grade Front panel Ea IPO al Operating humidity non
22. refer to digital inputs Automatically reset until alarm events per hour reach value of parameter Pa A07 after which manually reset Inactive during timer Pa A08 after compressor on Thermal switch Fans and compressors in circuit 2 will be shut down if the 2 circuits protection condenser have combined condensation refer to combined or separate fan circuit 2 condensation the compressors in circuit 1 will also be shut down Triggered by the digital input configured as Thermal switch circuit 2 fan refer to digital inputs Automatically reset until alarm events per hour reaches value of parameter Pa A09 after which manually reset Anti freeze circuit 2 Fans and compressors will be shut down YES YES YES2 ENERGY 400 Rel 02 00 03 2000 Ing 42 Active if analogue probe ST5 refer to analogue inputs is configured as anti freeze probe Pa H15 1 Triggered when probe ST5 detects a value below Pa A11 Turns off when probe ST5 detects a value above Pa All Pa A12 Automatically reset until alarm events per hour reaches value of parameter Pa A13 after which manually reset Inactive during timer Pa A10 after turning on Energy 400 using On OFF key refer to keyboard or digital input ON OFF refer to digital inputs or start of heating mode Probe ST5 fault All loads will be shut down Triggered if probe ST5 configured as an analogue input shorts or is cut off or probe limits are exceeded 50 C 100 C Probe ST6 faul
23. relays are configured as condensation fan outputs Pa H35 Pa H40 and Pa N06 Pa N07 3 or 4 they will Reversing valve configuration probe configuration be on if the control output for each fan is greater than 0 otherwise they will be off 6 4 Reversing valves The reversing valve is used only when operating in heat pump mode Energy 400 can control up to 2 reversing valves in a dual circuit system The reversing valve in circuit 1 is active only if e arelay power output is configured as reversing valve for circuit 1 Pa H35 Pa H40 or Pa N06 and Pa N07 1 The reversing valve in circuit 2 is active only if e arelay power output is configured as reversing valve for circuit 2 Pa H35 Pa H40 or Pa N06 and Pa N07 2 e there are 2 circuits Both of them will be active only if the heat pump is in operation Pa H10 1 6 5 Hydraulic pump The hydraulic pump is active only if at least one relay power output is configured as pump output Pa H35 Pa H40 or Pa N06 Pa NO7 7 The pump may be configured to function independently of the compressor or whenever called up using parameter Pa P01 Pa P01 Pump operating mode O continuous operation l operation when called up by regulation algorithm with a flow switch alarm table of alarms which is active with automatic reset the pump will be on even if the compressis off 6 6 Anti freeze supplementary electrical heaters Energy 400 can control up to 2anti freeze sup
24. set point function is enabled and probe ST4 is configured as an outdoor temperature probe Offset ST1 Offset ST2 Offset ST3 These parameters may be used to compensate the error that may occur between the temperature or pressure reading and the actual temperature or pressure Offset ST4 Offset ST5 These parameters may be used to compensate the error that may occur between the temperature reading and the actual temperature Offset ST6 This parameter may be used to compensate the error that may occur between the temperature or pressure reading and the actual temperture or pressure Mains frequency Mains frequency 50 Hz Mains frequency 60 Hz Selection C or F 0 degrees C 1 degrees F Family serial address Device serial address These parameters may be used to address the device when connected to a personal computer or supervision system Normally both are 0 User password M ay be used to enter a password for access to level two parameters and to copy parameters from the instrument to the copy card Copy card write password The password that must be entered to copy parameters to the copy card Presence of keyboard ALARM PARAM ETERS Low pressure pressure switch by pass time Determines the delay between starting up the compressor and starting up the low pressure digital alarm diagnostics Expressed in seconds Low pressure alarm events per hour Used to set the number of low pressure digital alarm event
25. 1 2 Control probe ST2 3 Control probe ST5 Pa r06 Configuration of electrical heaters when OFF or on stand by Determines the status of electrical heaters when the instrument is OFF or on stand by O Always off when OFF or on stand by 1 0n when OFF or on stand by in response to anti freeze electrical heater control algorithm Pa r07 Set point of anti freeze electrial heater 1 in heating mode Temperature value below which anti freeze electrical heater 1 comes on in heating mode Pa r08 Set point of anti freeze electrical heater 1 in cooling mode Temperature value below which anti freeze electrical heater 1 comes on in cooling mode Pa r09 Maximum set point of anti freeze electrical heaters Determines the maximum setting of the anti freeze electrical heater set points Par10 Minimum set point of anti freeze electrical heaters Determines the minimumsetting of the anti freeze electrcial heater set points Pa r11 Anti freeze heater hysteresis Anti freeze electrical heater control algorithm hysteresis Pa r12 Set point of external anti freeze electrical heaters Temperature below which anti freeze electrical heaters in the secondary circuit come on Pa r13 Set point of electrical heater 2 in heating mode Temperature below which anti freeze electrical heaters 2 come on in heating mode Pa r14 Set point of electrical heater 2 in cooling mode Temperature below which anti freeze electrical heaters 2 come on in cooling mode Pa r15 E
26. BLINK if safety timing is in progress e Slow BLINK if step 4 is defrosting Electrical heater boiler led e ON if at least one internal anti freeze electrical heater or boiler is enabled e OFFif both are off Heating Led e ON if the device is in heating mode Cooling Led e ON if the controller is in cooling mode If neither the HEATING led nor the COOLING led are in the controller is in STAND BY mode When it is off only the decimal point appears on the display 5 3 Wall mounted keyboard The remote keyboard a on the display is an exact copy of the information displayed on the instrument with the same leds Remote keyboard It performs exactly the same functions as those described in the display section The only difference is in use of the UP and DOWN keys to increase and decrease value which are separate from the MODE and ON OFF keys 5 4 Programming parameters Menu levels Device parameters may be modified using a Personal Computer with the required software interface key and cables or using the keyboard If using the keyboard access to parameters is arranged in a hierarchy of levels which may be accessed by pressing the mode and on off keys at the same time as described above Each menu level is identified by a mnemonic code which appears on the display The structure is set up as shown in the diagram below ENERGY 400 Rel 02 00 03 2000 Ing 11 Menu structure Control probe Current alarm ENE
27. D2 ID3 ID4 defined by parameter Pa H18 ID5 ID6 ID7 ID8 defined by parameter Pa H19 ID9 ID10 ID11 STA if configured as digital defined by parameter Pa H20 1D12 1D13 1D14 1D15 on extension defined by parameter Pa N01 Digital inputs Polarity table Q Example A value of 10 for parameter Pa H18 indicates that digital inputs ID1 and ID3 are active when their contacts are closed and digital inputs ID2 and 1D4 are active when their contacts are open PaHI8 11 b B wa 10 Closed Open Closed Open If ST1 is configured as digital its polarity is defined by parameter Pa H21 If ST2 is configured as digital its polarity is defined by parameter Pa H22 loo Activeifclosed Y All digital inputs are configurable and may be given the meanings listed below by setting parameters Pa H23 through Pa H34 and Pa N02 through Pa N05 Configuration Table 19 In the case of multiple inputs configured with the same value the function associated with the input will carry out a Logical OR among the inputs 2 3 Outputs ENERGY 400 Rel 02 00 03 2000 Ing Configuration table Polarity Table Configuration of fan outputs Unit of measurement selection 4 4 Configuration of outputs There are two basic types of outputs power outputs and low voltage outputs 4 4 1 Power outputs There are 8 power outputs which shall henceforth be referred to as RL1 RL8 r
28. E RR REG EA 14 RL ALL RT Tenere 15 ol CONTO W M 15 6 2 Compressor configuration 2 15 6 2 1 Compressor or power step on off SEQUENCES csssesssessstesssstesstesstsnesstssstssesstsesttssstssesstessteseesiesstessteserstsssteserstesstesstesessteestesestesesssesteseessesstesstesees 16 6 2 2 os A O esse ays ll ulate dts iss aaa 17 6 3 Condensation fan salg 6 3 1 A PEE EE AAEE ami O et EA E EE A EA EE 18 6 3 2 Fam control Connora misia 18 SNA 19 65 RG Bin IPLE 19 6 6 Anti freeze supplementary electrical heaters nennen tnnt tette rennen tentent tis 19 A A iride 19 6 8 Condensation Defrost probEesS e ini 19 1 Temperature CONO Un cia 21 TL AMOS N e cai ici 21 IZ 0 i doo aa 21 13 Lud Pomel soa 23 7 3 1 Compressor control regulation akort ci 23 7 3 2 E EE E 24 7 33 Combined or Separate Conte eaE c ri 26 734 as OI RE ARL E e ASRA A E A aaa 26 7 35 Anti Treeze supplementary electrical haber OL dre 27 7 3 6 ECOLE 0 M E o 27 Ciciliano 28 8l Recording sire ro DC 28 ENERGY 400 Rel 02 00 03 2000 Ing 2 8 2 Ec ANM C 28 821 Defrost start 28 822 Contro DEB MUTASE cse tinte EE AA corte cido 29 8 2 3 PES AAE E RR O RIOT 29 CEE uil 3l 9 J escupbohn Br e ETE 1 s sce ctim riae reet hr ter teca ere dtes dere ahaa eine dia rdiet sre ade meee 31 92 Parame ed ra ia ii
29. ERGY 400 Rel 02 00 03 2000 Ing 22 Modification depending on outdoor temperature with negative offset Regulation algorithm in cool mode Cooling diagram Regulation algorithm in heat mode Offset Negativo Outdoor temp set point H53 or LULA Delta lt 0 Delta gt 0 Temp 7 3 Load control We will now look at how to set parameters for load control on the basis of temperature pressure conditions detected by probes 7 3 1 Compressor control regulation algorithm The regulation algorithm calculates the load to be supplied through the compressors for both heating and cooling REGULATION ALGORITHM IN COOL MODE If probe ST2 amp nalogue inputs is not configured as a digital input for requests for cooling Pa H11 2 or probe ST1 analogue inputs as a digital input for regulation algorithm requests Pa H12 3 compressor management will depend on ambient temperature and a SET POINT ST1 temperature of inflowing water or inlet air SET COOL cooling set point set from keyboard Pa C03 z hysteresis of cooling thermostat Pa C05 delta of power step intervention Power step d step d step St step If Pa H011 23 the power step requested will depend on the status of input ST1 analogue input9 If Pa H012 2 2 the power step requested will depend on the status of input ST2 analogue input9 If probe ST5 analogueinputs is configured as a second step request Pa H15 22 the second step power step w
30. H23 Pa H24 Pa H25 Pa H26 Pa H27 Pa H28 Pa H29 Pa H30 Pa H31 Pa H32 Pa H33 Pa H34 Pa H35 Pa H36 Pa H37 Pa H38 Pa H39 Pa H40 Pa H41 Pa H42 Pa H43 Pa H44 Pa H45 Pa H46 Pa H47 Pa H48 Pa H49 Pa H50 Pa H51 3 Not permitted 4 Antifreeze analogue input for water water machines with gas reversal circuit 2 Bottom of scale pressure value Pressure value corresponding to an analogue input value ST3 or ST6 on the 20mA input if configured as a current input Example if using a pressure transducer with limits of 0 30 0 bar 4 20mA set PaH17 300 Polarity of digital inputs ID1 ID2 ID3 ID4 Polarity of digital inputs ID5 ID6 ID7 ID8 Polarity of digital inputs ID9 ID10 ID11 STA4 Polarity of digital inputs ID12 ID13 ID14 ID15 These parameters may be used to select the polarity which will activate the digital inputs to suit them to various operating requirements Refer to Digital inputs polarity when setting input polarity Configuration of digital input ID1 Configuration of digital input ID2 Configuration of digital input ID3 Configuration of digital input ID4 Configuration of digital input ID5 Configuration of digital input ID6 Configuration of digital input ID7 Configuration of digital input ID8 Configuration of digital input ID9 Configuration of digital input ID10 Configuration of digital input ID11 Configuration of digital input ST4 if configured as digital isabled itch OFF Heat Cool switch compr
31. RGY 400 Rel 02 00 03 2000 Ing Analogue Inp P Digital input id Parameters PAS Password P5 5 Op hours PR e gt e o Label cooling set Luo Label heating set HER Input code EGI EDE Current alarms Code GO Input code 4 i i Configuration par E nf Compressor par Fan control par FA n Alarms par PLL Pump par P UP Antifreeze par Fr Defrost par dfc Password value Comp hours DH 1 GHY Pump hours GH ra bes a p X nl X mu fu Par index rf fer Par index J f gZ 1 Value cooling set Value heating set Val analogue input Status of digital input Par index Hi f f Prim Par index LU CAM n En n at Eu Par index Par index P f Par index PULPO Number of hours par Number of hours par 13 Parameter value Parameter value Parameter value Parameter value Parameter value Parameter value Parameter value 5 5 Visibility of parameters and submenus With a personal computer interface key suitable cables and the Param Manager software it is possible to restrict the visibility and modification of parameters and entire submenus A visibility value may be assigned to each parameter as described below Value Meaning O 0003 Parameter or label visible at all times 0258 Parameter or label visible if user password entered correctly password Pa H46
32. S MANUAL 4 Perse PUND ce eR Pene 19 Hydraulic PUMP control sss 26 diagram essent terere 26 o Se eee 49 I Icons Tor empha Si ci 4 ESA 18 INSTALLATION aet ada ii 6 o E E 19 INTRODUCTION arua citt 5 K M DPI p E 10 O m PH 5 d 10 Mode aaa 10 L ll 10 List of alarmSs u iene 40 Load CONDON 23 Ko 49 Low voltage outputs 9 M Mantal ISEE iaia 49 D en SOCIE cc 13 O Operating MODAS cocine 21 configuration table sess 21 DRIED eie Repeat 49 IIS cc 9 P Parallel electrical heaters 27 Parami M anatjer aer erre nnne ren 5 ENERGY 400 Rel 02 00 03 2000 Ing PARAMETERS e dm tcc 31 Parameters table sss 36 Permanent memory essere 49 Permitted use Phase shift Physical quantities and units of measurement E 9 xis e f PR 18 Power Gabe eec tena 9 Configuration table sss 9 Polarity Table 9 POVE D 15 Programming parameters Menu levels 11 Pump paramet eiS eee 38 R uj E omen titi T 49 Recording hours of operation 28 References sesenta 4 Regulation algorithm in cool mode 23 Regulation algorithm in heat mode 23 Regulations eene 46 Remote keyboard
33. active If multiple outputs are configured with the same resource the outputs will be activated in parallel 4 4 2 Low voltage outputs There are a total of 4low voltage outputs available 2 phase cut outputs and 2 4 20 mA outputs TK1 Output for piloting external fan control modules in circuit 1 TK2 Output for piloting external fan control modules in circuit 2 AN1 4 20mA output for control of fans in circuit 1 AN2 4 20mA output for control of fans in circuit 2 Outputs AN1 and AN2 though their connections are physically separate are alternatives to outputs TK1 and TK2 which are selected by parameters Pa H45 and Pa H46 Fan output Fan2output Fan 1 output in phase cut Fan 1 output in 4 20 mA Fan 2 output in phase cut Fan 2 output in 4 20 mA 4 4 3 Serial outputs There are 2 asynchronous serials on the control e Channel for serial communication with a personal computer through a Microtech interface module e channel for serial communication with a standard Microtech keyboard Power supply 12 VDC 2400 e 8 1 4 5 Physical quantities and units of measurement Parameter Pa H64 may be used to set temperature display in either degrees C or degrees F Pa H64 Unit of measurement lo Degrees c ENERGY 400 Rel 02 00 03 2000 Ing Keyboard USER INTERFACE The interface on the front panel of the instrument can be used to carry out all the operations connected to the use of the instrument
34. alculation as in proportional fan output but if the result is greater than 0 regulation algorithmoutput will be 100 2 on off operation in response to request from compressor In this mode output is 0 if no compressor in the circuit is on or 100 if at least one compressor in the circuit is on Fan pick up time Time for which fan runs at maximum speed after starting up Expressed in seconds 10 Fan phase shift This parameter may be used to calibrate fan control output in proportion to the type of fan in use adjusting it to suit the fan s typical current voltage phase shift Impulse duration of triac on May be used to vary the length of the impulse from the triac command Functioning in resposne to compressor request ENERGY 400 Rel 02 00 03 2000 Ing 34 Pa F06 Pa F07 Pa F08 Pa F09 Pa F10 Pa F11 Pa F12 Pa F13 Pa F14 Pa F15 Pa F16 Pa F17 Pa F18 Pa F19 Pa F20 Pa F21 Pa F22 Pa F23 Pa F24 Pa PO1 Pa P02 Pa P03 Pa r01 Pa r02 Pa r03 0 if compressor is off fan is off 1 condensation control independent of compressor Minimum speed during cooling Minimum value of proportional fan control during cooling Expressed as a percentage of the power supply voltage from 0 to 100 Maximum silent speed during cooling Maximum value of proportional fan control during cooling Expressed as a percentage of the power supply voltage from 0 to 100 Minimum fan speed temperature pressure set point during
35. amount of time equal to Pa F25 in order to remove water from the batteries as quickly as possible If there are no pressure probes on the machine this will be applied to temperature 8 2 3 Defrost end Defrost end may be determined by temperature pressure values read by analogue probes ST3 ST2 ST6 analogue inputs or by digital input digital inputs The configuration parameters are e Pad09 Circuit 1 defrost end probe e Pa d10 Circuit 2 defrost end probe Possible values and meanings of these parameters are shown below Parameters lo If Pa d09 0 defrost end in response to digital input the digital input configured as End of defrost circuit 1 digital inputs will be taken into consideration if Pa d10 0 input circuit 2 defrost end digital inputs In this configuration as soon asthe input becomes active the circuit will have a defrost end If an analogue input is selected for defrost end the defrost will end will pressure temperature rises above the value of parameter Pa d04 defrost end temperature pressure If the input is not configured defrost will end only when pressure temperature rises above the maximum duration set by parameter Pa d05 Defrost will always end if duration exceeds the maximum duration set by parameter Pa D05 After defrost end if drip time Pa d07 0 the compressors will stay on if not the adjustment shown in the figure below will take place ENERGY 400 Rel 02 00 03 2000 Ing 29
36. and in particular to e Set operating mode e Respond to alarm situations e Check the state of resources Front panel of the instrument The instrument can function without the aid of a keyboard 5 1 Keys Selects operating mode If the heating mode is enabled each time the key is pressed the following sequence occurs Stand by gt cooling gt heating gt stand by if heating mode is not enabled Stand by gt cooling gt stand by In menu mode this key acts as a SCROLL UP or UP key increasing value Resets alarms and turns the instrument on and off Press once to reset all manually reset alarms not currently active all the alarm events per hour will also be reset even if the alarms are not active Hold down the key for 2 seconds to turn the instrument from on to off or vice versa When it is off only the decimal point remains on the display In menu mode this key acts as a SCROLL DOWN or DOWN key decreasing value Pressing the mode and on off keys at the same time If you press both keys at the same time and then release within 2 seconds you will move one level deeper in the display menu If you press both keys for more than 2 seconds you will move one level up If you are currently viewing the lowest level in the menu and you press both keys and release within 2 seconds you will go up one level 5 2 Display The device can communicate information of all kinds on its status configuration and al
37. arms through a display and a number of leds on its front panel 5 2 1 Display Normal display shows e regulation temperature in tenths of degrees celsius or fahrenheit e the alarm code if at least one alarm is active If multiple alarms are active the one with greater priority will be displayed according to the Table of Alarms e If temperature control is not analogue and depends on the status of a digital input ST1 or ST2 configured as digital inputs the On or Off label will be displayed depending on whenther temperature control is active or not e When in menu mode the display depends on the current position labels and codes are used to help the user identify the current function 5 2 2 Led Led 1 compressore 1 ON if compressor 1 is active e OFF if compressor 1 if off e Rapid BLINK if safety timing is in progress e Slow BLINK if compressor is currently set to defrost Power step 2 led ON if power step 2 is active ENERGY 400 Rel 02 00 03 2000 Ing 10 cM Remote keyboard e OFF if power step 2 is not active e Rapid BLINK if safety timing is in progress e Slow BLINK if step 2 is currently defrosting Led step 3 di potenza ON se lo step 3 di potenza attivo e OFF se lo step 3 di potenza non attivo e BLINK veloce se sono in corso temporizzazioni di sicurezza e BLINK lento se step 3 in sbrinamento Power step 4 led e ON if power step 4 is active e OFF if power step 4 is not active e Rapid
38. be Pa H12 1 Triggered when probe ST2 detects a value lower than Pa A11 Turned off if probe ST2 detects a value greater than Pa All Pa A12 Automatically reset until alarm events per hour reaches the value of parameter Pa A13 after which manually reset Inactive during timer Pa A10 after Energy 400 is turned on with the On OFF key refer to keyboard or from the digital input ON OFF refer to digital inputs or when heating mode is started All loads will be shut down YES Triggered if probe ST2 configured as an analogue input shorts or is cut off or probe limits are exceeded 50 C YES All loads will be shut down YES Triggered if probe ST3 configured as an analogue input shorts or is cut off or probe limits are exceeded 50 C YES 41 External circuit 1 anti Fans and compressors will be shut down YES YES YES YES YES YES freeze Active if analogue probe ST3 refer to analogue inputs is configured as an external anti freeze probe Pa H13 4 Active when probe ST3 detects a value lower than Pa A11 Goes off if probe ST3 detects a value greater than Pa All Pa A12 Automatically reset until alarm events per hour reach the value of parameter Pa A13 after which manually reset Inactive during timer Pa A10 after Energy 400 is turned on using the On OFF key refer to keyboard or ON OFF digital input refer to digital inputs or heating mode is switched on High pressure Compressor 1 will be shut down compresso
39. condensing 10 C Storage temperature Storage humidity non condensing 11 2 Electromechanical features 110 230 V digital outputs n 85A resistive relays Ya hp 230VAC 1 8 hp 125VAC n 1 4 20 mA output N 2 configurable input or 4 20mA o r NTC Ros 10KQ Digital inputs n 11 voltage free digital inputs 10m A Terminals and connectors n 1 10 way high voltage connectors step 7 5 Operating temperature 0 C n 2 16 way rapid clamp connectors for low voltage step 4 2 AWG 16 28 n 1 p2 5 5 way connector for remote control and programming with external copy card AWG 24 30 n 1 20 way connector for connection of extension n 1 3 way screw terminal for remote keyboard Serial ports n 1 9600 serial port n 1 2400 serial port The instrument must be powered with a suitable current transformer with the following features e Primary voltage 230V 1596 696 110V 10 e Secondary voltage 12V e Power supply frequency 50Hz 60Hz e Power 5VA 11 3 Regulations The product complies with the following European Community Directives e Council Directive 73 23 CEE and subsequent modifications e Council directive 89 336 CEE and subsequent modifications and complies with the following harmonised regulations e LOW VOLTAGE EN60730 e EMISSION EN50081 1 EN55022 e IMMUNITY EN50082 1 IEC 801 2 3 4 ENERGY 400 Rel 02 00 03 2000 Ing 46 12 USEOF THE DEVICE 12 1 Permitted use This product is used
40. diagram Compressor ON OFF Reversing valve ON OFF ENERGY 400 Rel 02 00 03 2000 Ing Defrost end Defrost end 30 9 PARAMETERS Parameters make the Energy 400 a fully configurable device They may be modified through e instrument keyboard e Personal computer with a suitable connection and Param manager software We will now take a detailed look at all the parameters divided by category 9 1 Description of Parameters CONFIGURATION PARAM ETERS Determine the features of the machine w If one or more of the parameters in this category are modified the cotnroller must be switched off after the modification and switched on again to ensure correct operation Pa H01 Maximum set point during heating Upper limit on set point in heating mode Pa H02 Minimum set point during heating Lower limit on set point in heating mode Pa H03 Maximum set point during cooling Upper limit on set point in cooling mode Pa H04 Minimum set point during cooling Lower limit on set point in cooling mode Pa H05 Number of circuits on machine Number of cooling circuits 0 2 not permitted 1 1 cooling circuit 2 2 cooling circuits Pa H06 Number of compressors per circuit 0 no compressors 1 1 compressor 2 2 compressors 3 3 compressors 4 4 compressors Pa H07 Number of capacity steps per compressor 0 no capacity steps 1 1 capacity step per compressor 2 2
41. ding a positive or negative offset value to the set point depending on e 4 20 mA analogue input proportionate to a signal set by the user or e temperature of outdoor probe This function has two purposes to save energy or to operate the machine under particularly harsh outdoor temperature conditions The dynamic set point is active if e Activation parameter Pa H50 1 ENERGY 400 Rel 02 00 03 2000 Ing 21 Control parameters Modification depending on current input with positive offset Modification depending on current input with negative offset Modification depending on outdoor temperature with positive offset e Probe ST3 analogue inputs is configured as a dynamic set point input Pa H13 3 or probe STA analogue inputs is configured as an outdoor probe Pa H14 3 Parameters for control of the dynamic set point Pa H51 max offset during cooling Pa H52 max offset during heating Pa H53 Outdoor temperature set point during cooling Pa H54 Outdoor temperature set point during heating Pa H55 Delta of cooling temperature Pa H56 Delta of heating temperature The interaction of these parameters is illustrated in the graphs below Positive Offset H32 gt 0 or H33 gt 0 Offset Set point Max offset 20 mA Current Negative Offset H32 lt 0 or H33 lt 0 Current Max offset Positive Offset Outdoor temp set point H53 or H54 Delta lt 0 Delta gt 0 Temp EN
42. e Par09 maximum set point for anti freeze electrical heater e Parl0 minimum set point for anti freeze electrical heater When off or on stand by control is based on the cooling set point and the control probe used in heating mode Parameter Pa R11 determines hysteresis around the set points for the anti freeze supplementary electrical heaters An example of operation is shown in the diagram below Diagram illustrating anti freeze supplementary electrical heaters control Electrical heater control algorithm Power Anti freeze set point ON OFF IST Temperature ST1 ST2 ST3 PARALLEL ELECTRICAL HEATERS Parameter r12 enables the parallel electrical heaters function This function is useful if the system incorporates 2 hydraulic circuits each with its own anti freeze probe and there is only one anti freeze electrical heater The following conditions must apply for the function to be active e Parl2 1 Pa r05 other than 0 e Par06 other than 0 Control is based on the minimum value detected by the 2 probes using the set points of electrical heaters 1 Pa r07 and Pa r08 If Pa r15 1 the electrical heaters have a dual function as anti freeze electrical heaters and supplementary electrical heaters If Par15 1 and the system is in heating mode electrical heater 1 will start up under the command of its own control or if ST1 SET HEATING Pa r14 while heater 2 will start up if ST1 SET HEATING Pa r15 The con
43. e are intervals of time which must pass between turning on of 2 compressors Pa C06 and turning off of 2 compressors Pa C07 An amount of time determined by parameter Pa C08 capacity step on delay must elapse between the turning on of one compressor or capacity step and the turning on of any other ENERGY 400 Rel 02 00 03 2000 Ing 17 on on and off off diagram 2 comp Pick up Phase shift Impulse duration Fan configuration selection of output type compressor or capacity step on the machine The greatest of the currently active safety times must be applied to each compressor The off time interval between compressors is not applied in the event of a compressor shutdown alarm in which case they stop immediately Comp 1 ON OFF Seconds Comp 2 ON OFF Interval between Seconds Interval between turning on turning off compressors Pa C05 compressors Pa C07 6 3 Condensation fan Energy 400 may be connected with two types of fan piloting unit e Triak e 4 20mA 6 3 1 Fan configuration First of all correctly configure the type of analogue output low voltage outputs to which the fan control module s are connected the relevant parameters are Pa H45 for the first circuit and Pa H46 for the second circuit as shown in the table below Circuit 1 Pa H45 Circuit 2 Pa H46 TK output enabled for phase TK output enabled for phase cut cut Enable 4 20 mA output AN1 Enable 4 20 mA output AN2 I
44. e the following rules Operating mode Mode selection Configuration Configuration parameter parameter ST1 parameter ST2 Pa H49 Pa H11 Pa H12 Mode selection from keyboard lo Otherthan2 Other than 2 Mode selection from digital input Other than 2 Other than 2 If input ST1 is on operating mode is heating if Any 2 Other than 2 not stand b jd not stand b If input ST1 is on operating mode is heating if Any 2 2 input ST2 is on operating mode is cooling if ST1 and ST2 are both on there is a control error if neither is on operating mode is stand b 7 1 Setting set points Unless the machine is configured as a motor condenser loads will come on and go off dynamically depending on the temperature control functions set the temperature pressure values detected by the probes and the set points that have been set There are two set point values Cooling Set point this is the set point used as a reference when the device is in cooling mode Heating Set point this is the set point used as a reference when the device is in heating mode The set points may be modified from the keyboard by accessing the SET submenu refer to menu structure Their values must fall within a range determined by parameters Pa H02 Pa H01 Heating and Pa H04 Pa H03 Cooling 7 2 Dynamic Set point The regulation algorithm may be used to modify the set point automatically on the basis of outdoor conditions This modification is achieved by ad
45. ed by the Enable defrost parameter Pa d01 1 ENERGY 400 Rel 02 00 03 2000 Ing 19 separate or combined condensation probe configuration e the condensation probe for circuit 1 is present connected to analogue input ST3 and the relative parameter Pa H13 1 in the case of an NTC probe or Pa H13 2 in the case of a 4 20mA probe and ST4 2 1 e the reversing valve is present In the case of a dual circuit system defrost may be separate or combined this will be the case of a system with a single condenser depending on the setting of the parameter Pa F22 condensation type oo 0 Pa F22 condensation type Combined condensation Defrost end and start depends on the values of the condensation probes which may be configured as follows Let SCC1 be the condensation probe of circuit 1 it may be connected to analogue input ST3 or ST4 depending on the type of probe the configuration will be as shown in the table below PO Probe connection Probe type Probe connected to Probe connected to ST3 ST4 SCC1 NTC type Pa H13 1 Pelli H14 1 SCC14 20mA type Pa H13 2 The following table applies to a dual circuit system ES 2 circuits separate 2 circuits combined defrost defrost SCCI SCCI MIN SCC1 ST6 Defrost circut2 ste ________ MIN SCCIST6 If A and B are control probes MIN A B represents the smaller of A and B if A and B are declared present It will be value A if B is not decla
46. elays RL1 compressor 1 5 A 125VAC 230VAC Res 4 HP 230VAC 1 8 HP 125VAC RL2 configurable 5 A 125VAC 230VAC Res HP 230VAC 1 8 HP 125VAC RL3 configurable 5 A 125VAC 230VAC Res Ya HP 230VAC 1 8 HP 125VAC RL4 configurable 5 A 125VAC 230VAC Res Ya HP 230VAC 1 8 HP 125VAC RL5 configurable 5 A 125VAC 230VAC Res 1 HP 230VAC 1 8 HP 125VAC RL6 configurable 5 A 125VAC 230VAC Res 4 HP 230VAC 1 8 HP 125VAC RL7 configurable 5 A 125VAC 230VAC Res Ya HP 230VAC 1 8 HP 125VAC RL8 cumulative alarm 5 A 125VAC 230VAC Res HP 230VAC 1 8 HP 125VAC There are 2 additional digital outputs in the extension module RL9 configurable 5 A 125VAC 230VAC Res Ya HP 230VAC 1 8 HP 125VAC RL10 configurable 5 A 125VAC 230VAC Res HP 230VAC 1 8 HP 125VAC Configurable outputs may be given the following meanings by setting parameters Pa H35 through Pa H40 and Pa N06 through Pa N07 Value Description 0 Disabled 1 1 1 O 1 Reversalvalvecircuitl 2 11 1 Reversalvalvecircuit2 3 3 Condenser fan circuit SSS 4 1111 Condenserfancircut2 _____________ jH edrialheaterl 1 0 0 6 11 0 Hectrcalheater2 1 1 1 8 Evaporatorfan S PowerSte 1 1 1 1 11113 Polarity of RL2 RL3 RL4 RL5 RL8 may be selected using Pa H41 Pa H45 0 Relay closed if output active Relay open if output not
47. essor 1 switch compressor 2 R switch compressor 3 switch compressor 4 switch fan circuit 1 switch fan circuit 2 High pressure circuit 1 High pressure circuit 2 Pt Configuration of output RL2 Configuration of output RL3 Configuration of output RL4 Configuration of output RL5 Configuration of output RL6 Configuration of output RL7 These parameters are used to assign various functions to relays as required by the type of application 0 Not in use 1 Reversing valve circuit 1 2 Reversing valve circuit 2 3 Condensation fan circuit 1 4 Condensation fan circuit 2 5 Electrical heater 1 6 Electrical heater 2 7 Hydraulic pump 8 Evaporator fan 9 Power Step 2 10 Power Step 3 11 Power Step 4 Polarity of output RL2 Polarity of output RL3 Polarity of output RL4 Polarity of output RL5 Polarity of output RL8 Relay polarity may be set for the corresponding outputs O relay on if output active 1 relay off if output not active Configuration of analogue output 1 AN1 or TK1 Configuration of analogue output 2 AN2 or TK2 Condensation fan control outputs are available with 2 types of signal 0 Suignal for phase cut fan control 12 4 20mA output Not in use Selection of operating mode 0 Selection from keyboard 1 Selection from digital input Enable dynamic set point If enabled this function permits automatic variation of the working set point depending on outdoor temperature or on a 4 20mA analogue
48. ests from compressors Operating mode is determined by parameter Pa F05 Value a a 31 Pa F05 if all compressors in the circuit are off condensation control is independent fan output mode the fan is off of the compressor The cut off is bypassed for an amount of time equal to Pa F12 after the compressor is turned on If the control requests cut off during this time period the fan will run at minimum speed If parameter Pa F05 is set to 1 condensation control will be dependent on condensation temperature or pressure depending on how the following parameters are set CONDENSATION FAN CONTROL IN COOL MODE Pa F06 z Minimum fan speed in COOL mode Pa F07 Maximum silent fan speed in COOL mode Pa F08 Minimum fan speed temperature pressure set point in COOL mode Pa F09 Fan prop band in COOL mode ENERGY 400 Rel 02 00 03 2000 Ing 24 Pa F10 Fan cut off delta Pa F11 Cut off hysteresis Pa F13 2 Maximum fan speed in COOL mode Pa F14 2 Maximum fan speed temperature pressure set point in COOL mode An example of interaction of these parameters is shown in the figure below Fan control in cool mode diagram Fan control in cool mode External fan in COOL mode Speed 56 Ist cut off F11 Set mex f fan cooling F14 Max speed F13 Fan cooling set point F08 Max speec silent FO7 lai cut off 711 Min speed F06 OFF gt Temperature pressure C
49. et 0 900 C 10 Kpa 10 point Pa A15 Analogue input high pressure hystereis 0 255 C 10 Kpa 10 Pa A16 Analogue input low pressure activation bypass 0 255 Seconds Pa A17 Analogue input low pressure activation set point_________ 500 800 C 10 Kpa 10 PaAl8 Analogue input low pressurehysteresis 0 255 C 10 Kpa 10 i __ 0 255 Num Pa A19 Analogue input low pressure alarm events per hour ENERGY 400 Rel 02 00 03 2000 Ing Compressor parameters Fan control parameters Pump parameters Electrical heater parameters Input over temperature set point COM PRESSOR PARAM ETERS FAN CONTROL PARAM ETERS Pa F08 Minimum fan speed temperature pressure set point during cooling Pa F12 Bypass time cut off Pa F13 Max speed during cooling Pa F14 Maximum fan speed temperature pressure set point during cooling Minimum speed during heating Maximum silent speed during heating Pa F17 Minimum fan speed temperature pressure set point during heating Prop band during heating Maximum fan speed during heating Pa F20 Maximum fan speed temperature pressure set point during heating Pa F23 Fan activation temperature pressure set point during defrosting Pa F24 Fan activation hysteresis during defrosting Pa F25 Preventilation after defrosting PUMP PARAMETERS ELECTRICAL HEATER PARAM ETERS Configuration of electrical heaters in defrost mode Configuration of electrical heaters
50. f the output is configured as a proportional triac the parameters PICK UP PHASE SHIFT and IM PULSE DURATION are also significant Every time the external fan is started up power is supplied to the exchanger fan at maximum voltage and the fan operates at maximum speed for an amount of time equal to Pa F02 seconds after this time the fan operates at the speed set by the regulator Pa F02 Fan pick up time seconds Determines a delay during which it is possible to compensate the different electrical characteristics of the fan drive motors Pa F03 duration of fan phase shift expressed as a percentage Determines the duration of the TK output piloting impulse in microseconds 10 Pa F04 triak piloting impulse duration 6 3 2 Fan control configuration The fan control may be configured to supply a proportionate output 0 100 or to function as ON OFF by setting the value of the parameter Pa F01 Pa F01 Selection of control output type Pa F01 20 proportionate fan output from 0 to 100 depending on parameters Pa F01 21 fan on off output in this mode the control performs the same calculations as in proportionate output but if the outcome is greater than 0 the control output will be 100 Pa F01 22 on off operation as called by compressor In this mode output is 0 if no compressor is on in the circuit or 10096 if at least one compressor in the circuit is on ENERGY 400 Rel 02 00 03 2000 Ing 18 Ae If some of the
51. i Rai 36 10 TIROS RR E 40 10 1 LA ee a aa 40 11 Technical corsi mE 46 TI TA ai iaia 46 112 MA e Rara 46 Mc 0 5 c iaia 46 EE ofthe GENCE RT mmm 47 121 PMI UE aaacasa ie aaa 47 12 2 EOI UR ics ee Geist Rise Sicha La ee p HO E e be aa 47 13 Responsibility and residual TIGRE ic a ii rbd reta b 48 VA ASIE PS ones ipie pa credi ae iani as dd auda RR Had RR O RM 49 ENERGY 400 Rel 02 00 03 2000 Ing 3 References Cross references Icons for emphasis 2 HOW TO USE THIS MANUAL This manual is designed to permit quick easy reference with the following features References column A column to the left of the text contains references to subjects discussed in the text to help you locate the information you need quickly and easily Cross references All words written in italics are referenced in the subject index to help you find the page containing details on this subject supposing you read the following text when the alarm is triggered the compressors will be shut down The italics mean that you will find a reference to the page on the topic of compressors listed under the item compressors in the index If you are consulting the manual on line using a computer words which appear in italics are hyperlinks just click on a word in italics with the mouse to go directly to the part of the manual that discusses this topic Some segments of text are marked by icons appearing in thereferences column with the meanings specified be
52. ic to manual reset Anti freeze alarm by pass Determines the delay between turning on the machine selection of an operating mode or switch from OFF gt ON and activation of the compressor thermal switch digital alarm diagnostics Expressed in seconds Anti freeze alarm set point ENERGY 400 Rel 02 00 03 2000 Ing 33 Pa A12 Pa A13 Pa A14 Pa A15 Pa A16 Pa A17 Pa A18 Pa A19 Pa A20 Pa A21 Pa A22 Pa A23 Pa A24 Pa A25 Pa A26 Pa C01 Pa C02 Pa C03 Pa C04 Pa C05 Pa C06 Pa C07 Pa C08 Pa F01 Pa F02 Pa F03 Pa F04 Pa F05 May be used to set the temperature below which the anti freeze alarm is triggered Anti freeze alarm hysteresis May be used to set the differential value of the anti freeze alarm Anti freeze alarm events per hour M ay be used to set a number of anti freeze alarm events per hour beyond which the alarm is switched from automatic to manual reset Analogue input high pressure temperature activation set point May be used to set a condensation pressure temperature value beyond which the high pressure alarm will be triggered Analogue input high pressure temperature hysteresis May be used to set the differential for the analogue high pressure alarm Analogue input high pressure temperature activation bypass Determines the delay after turning on of the first compressor in the cooling circuit and activation of the corresponding analogue input low pressure temperature analogue alarm diagnostic
53. igured as follows RL1 Compressor 1 circuit 1 Step2 capacity step compressor 2 Step3 compressor 2 circuit 2 Step4 capacity step compressor 2 they will come on in this order RL1 gt Step3 gt Step2 gt Step4 and go off in this order In the unvaried sequence if the compressor with the lower number is unavailable the compressor with the higher number comes on If the compressor comes available and the amount of power required is equal to the amount of power being delivered the machine will continue to function in its current state it will not turn off a compressor with a higher number to turn on a compressor with a lower number A compressor is unavailable when it is shut down due to an alarm or is currently counting safety timing 6 2 2 The turning on and off of compressors must comply with safety times which may be set by the user using the parameters specified below Compressor timing There is a safety interval between the time a compressor goes off and the time the same compressor comes back on compressor on off safety time controlled by parameter Pa C01 This interval of time must elapse when the Energy 400 is turned on There is a safety interval between the time a compressor is turned on and the time it is turned on again compressor on on safety time controlled by parameter Pa C02 Compressor ON OFF Seconds 10 ON ON safety time Pa C02 If the machine has multiple power steps ther
54. ill be requested on the basis of this input This function will be active only if either Pa H11 3 or Pa H12 2 Only motor condensers may be controlled up to 2 steps only REGULATION ALGORITHM IN HEAT MODE If probe ST1 analogue inputs is not configured as a digital input for requests for heat Pa H05 2 or digital input for requests for regulation algorithm Pa H05 3 compressor management will depend on e temperature ST3 analogue inputs if configuration parameter ST3 5 for water water manual reversal machines e otherwise temperature ST1 analogue inputs e aHEATING set point which may be set from the keyboard ST1 ST3 Temperature of inflowing water or inlet air ENERGY 400 Rel 02 00 03 2000 Ing 23 Heating diagram Differential temperature control Cool mode HEATING SET Heating set point that has been set Pa C04 z Heating thermostat hysteresis Pa C05 Delta of step intervention Power step d step nd step step STI ST3 Pa C05 Pa C05 If Pa H11 2 3 the compressors will be turned off and on depending on the status of input ST1 If probe ST5 analogueinputs is configured as a second step request Pa H15 2 the second step power step will be requested depending on this input This function will be active only if Pa H11 2 3 or Pa H12 2 DIFFERENTIAL TEM PERATURE CONTROL This function may be used to control temperature according to both ST1 analogue inputs and ST4 analogue inputs The func
55. iloted by a device relay power outputs each capacity step requires an additional output The first compressor must be connected to output RL1 the remaining outputs RL2 RL7 RL9 RL10 on extension may be assigned at will setting the value of the parameters Pa H35 PaH40 Pa N06 Pa N07 if there is no extension The compressors will be turned on or off depending on the temperatures detected and the temperature control functions that have been set refer to the section on Compressor controls Regulation algorithml 6 2 Compressor configuration Power step Theturning on of an additional compressor or capacity step will henceforth be referred to as a Power step power level The following configurations are available for compressors without capacity steps Simple Number of compressors per circuit compressors 1 Pa HO6 1 2 Pa H0622 3 Pa H06 3 1 RL1 comp 1 circ 1 RL1 comp 1 circ 1 RLl comp 1 circ 1 RL1 comp 1 circ 1 Pa Step2 comp 2 circ 1 Step2 comp 2 Step2 comp 2 circ 1 HO5 1 circ 1 Step3 comp 3 circ 1 Step3 comp 3 Step4 comp 4 circ 1 circ 1 RL1 Comp 1 circ 1 RL1 comp 1 circ 1 Configuration error Configuration error Step3 comp 1 circ 2 Step2 comp 2 circ 1 Step3 comp 1 circ 2 Step4 comp 2 circ 2 Number of circuits The following configurations are available for compressors with 1 capacity step Pa H07 1 with 1 capacity step Number of compressors per circuit
56. input The parameter has no meaning if PaH1373 or PaH1423 0 Function disabled 1 Function enabled Maximum dynamic set point offset in cooling mode ENERGY 400 Rel 02 00 03 2000 Ing 32 Pa H52 Pa H53 Pa H54 Pa H55 Pa H56 Pa H57 Pa H58 Pa H59 Pa H60 Pa H61 Pa H62 Pa H63 Pa H64 Pa H65 Pa H66 Pa H67 Pa H68 Pa H68 Pa A01 Pa A02 Pa A03 Pa A04 Pa A05 Pa A06 Pa A07 Pa A08 Pa A09 Pa A10 Pa A11 The maximum value that may be added to the set point in cooling mode COO when the DYNAMIC SET POINT function is enabled Maximum dynamic set point offset in heating mode The maximum value that may be added to the set point in heating mode HEA when the DYNAMIC SET POINT function is enabled Outdoor temperature set point in cooling mode The outdoor temperature value on the basis of which The parameter is significant only if the dynamic set point function is enabled and probe ST4 is configured as an outdoor temperature probe Outdoor temperature set point in heating mode The parameter is significant only if the dynamic set point function is enabled and probe ST4 is configured as an outdoor temperature probe Outdoor temperature differential in cooling mode The parameter is significant only if the dynamic set point function is enabled and probe ST4 is configured as an outdoor temperature probe Outdoor temperature differential in heating mode The parameter is significant only if the
57. low R Take note information on the topic under discussion which the user ought to keep in mind Tip a recommendation which may help the user to understand and make use of the information supplied on the topic under discussion Warning information which is essential for preventing negative consequences for the system or a hazard to personnel instruments data etc and which users MUST read with care ENERGY 400 Rel 02 00 03 2000 Ing 3 INTRODUCTION Energy 400 is a compact device that permits control of air conditioning units of the following types air air e air water e water water e motor condensing The controller can manage machines with up to four power steps distributed in a maximum of 2 cooling circuits for example 2 circuits with 2 compressors per circuit Main characteristics e Outflowing water temperature control Condensation control 2 inputs which may be configured for NTC or 4 20mA through parameters 11 configurable digital inputs 4 four optional Dynamic set point Setting of parameters from the keyboard with a personal computer or with a interface module Remote keyboard 100 m which may be connected up directly without serial interfaces 3 4 20 mA outputs Control of 1 2 3 or 4 compressors 3 1 Components We will now look at the basic components and accessories in the system and how they are connected 3 1 1 Energy 400 The basic module is an electronic card for connection
58. m minimum to maximum silent fan speed during heating F16 Maximum speed during heating May be used to set a speed step corresponding to a given temperature pressure value during heating Maximum fan speed temperature pressure set point during heating Condensation temperature pressure value corresponding to the fan speed set for par F19 Preventilation in cooling mode May be used to set a preventilation time in cooling mode before compressor combines on in order to prevent Combined or separate fan control Parameter F22 may be used to configure dual circuit machines with a single condenser Parameter F22 condensation type 0 separate condensers 1 combined condenser If Pa F22 0 the fans are independent and depend on condensation pressure temperature and the status of the compressors in the circuits If Pa F22 1 the outputs of the 2 fans are parallel and they are controlled on the basis of the greater of the two circuit condensation probes in cooling mode on the basis of the smaller of the two circuit condensation probes in heating mode If there is no condensation probe in one of the 2 circuits a configuration alarm will be generated Fan activation temperature pressure set point during defrosting During defrosting if temperature pressure exceeds the fan activation during defrosting threshold Pa F23 the fans will come on at full power Fan activation hysteresis during defrosting Condensation temperature pressure differential for fan contr
59. modynamic performance creating a risk of damage to the machine Defrost start and end depends on the condensation probe values refer to condensation probes defrost and the settings of the parameters listed below 8 2 1 Defrost start The defrost starts as a result of three parameters e Pad02 temperature pressure at which defrost starts e Pad03 defrost interval When the probe detects temperature pressure values below the value of parameter Pa d02 it starts the timer and when the number of minutes determined by parameter Pa d03 has expired the defrost will start The timer will stop if e Temperature pressure rises above the value of parameter Pa d02 e The compressor is turned off The timer will be set to zero if e adefrost cycle is completed e Energy 400 is turned off e operating mode is changed refer to operating modes e temperature rises above the value of parameter Pa d04 defrost end temperature pressure During the defrost the compressors are handled as follows e combined defrost all compressors are turned on at full power e separate defrost all compressors in the circuit being defrosted are turned on at full power there may be a delay between compressor coming on and Defrost start imposed by parameter Pa d11 Defrost will take place only if the following conditions are met e The safety timing of compressors in the circuit must be 0 e The delay between circuit defrosts must have expired since the la
60. n the corresponding compressor then the other capacity step and finally the other compressor Example Supposing the system has been configured as follows RL1 Compressor 1 circuit 1 Step2 capacity step compressor 2 Step3 compressor 2 circuit 2 Step4 capacity step compressor 2 If hours comp 1 hours comp 2 they will come on in this order Step3 gt Step4 gt RL1 gt Step2 and go off in this order Step2 gt RL1 gt Step4 gt Step3 Pa H08 0 and Pa H09 1 If all compressors are off to start with the circuit which has the lower average number of hours for all its compressors will come on first In this circuit the compressor with the least hours of operation will come on first followed by the other compressor in the same circuit thus the circuit is saturated The next step is chosen between the two compressors in the other circuit with fewer hours Example Supposing the system has been configured as follows RL1 Compressor 1 circuit 1 Step2 compressor 2 circuit 1 Step3 compressor 3 circuit 2 Step4 compressor 4 circuit 2 If hours comp 1 hours comp 2 hours comp 4 hours comp 3 hours comp 1 hours comp 2 2 gt hours comp 4 hours comp 3 2 they will come on in this order Step3 gt Step4 gt Step2 gt RL1 and go off in this order CASE OF 1 COMPRESSOR WITH CAPACITY STEP PER CASE OF 2 COMPRESSORS PER CIRCUIT CIRCUIT The compressor with the least hours of operation comes on first followed
61. nable supplementary electrical heaters DEFROST PARAM ETERS Pa d01 Defrost enabled 0 defrost function enabled 1 defrost function disabled Pa d02 Defrost start temperature pressure Temperature pressure below which the defrost cycle is started Pa d03 Defrost interval response time Duration for which probe remains below defrost start temperature pressure expressed in minutes Pa d04 Defrost end temperature pressure Temperature pressure above which defrost ends Pa d05 Maximum defrost time time out Maximum duration of defrost in minutes Pa d06 Compressor reversing valve wait time anti bleeding Wait time between compressor going off and reversal of the 4 way valve at the beginning of the defrost cycle Pa d07 Drip time Wait time at the end of the defrost cycle between the compressor going off and the reversal of the 4 way valve Pa d08 Temperature at which defrost starts if Pa H49 1 Temperature below which the defrost cycle is started Pad09 Temperature at which defrost ends if Pa H49 1 Temperature above which the defrost cycle is ended 9 2 Parameters table All Energy 400 parameters are listed in the table below Configuration parameters PaHOl _ Maximum set point during heating H02 900 CT PaH02 Minimum set point during heating 400 H01 C Pa H03 Maximum set point during cooling 1 H04 900 amp C PaH04 Minimum set point during cooling
62. nd off off diagram 2 comp 18 On on off off times for 2 comp 17 On on tI MING 17 Compressor UMN i is 18 COMPRESOR 15 coming on on the basis of hours of operation and circuit balancing 16 coming on on the basis of hours of operation and circuit saturation 16 unvaried on sequence with circuit balancing ee 17 unvaried on sequence with circuit saturation aste 17 Condensation ari coccion 18 Condensation fan control 24 Cool mode 24 ENERGY 400 Rel 02 00 03 2000 Ing A 25 Condensation Defrost probesS 19 probe configuration 20 separate or combined condensation 20 Configuration of analogue inputs 6 Configuration of digital inputs 8 Configuration of fan outputs 9 Configuration of outputs sss 9 Configuration parameters 36 Connection diagrams sees 6 Control during defrost 29 COMPRE ici 29 ON 29 Reversing valve sese 29 Cooling esee 21 CORY CAPE 5 14 A A 4 current transformer eene 46 ATI P eo 49 D js 28 compressor management 28 DEPON ENO inniinn iaia 29 diagram IRE T 30 Parameter configuration
63. o analogue inputs has a value exceeding Pa A25 for an amount of time exceeding Pa 26 in cooling mode Goes off if probe ST1 refer to analogue inputs has a value lower than Pa A25 Pa A12 Automatically reset outputs defined as capacity steps will go off if there is an alarm for the compressor to which they belong ENERGY 400 Rel 02 00 03 2000 Ing 44 The tables below list alarms by type digital or analogue TABLE OF DIGITAL ALARM S Alarm name Bypass trigger event Bypasstime Trigger Deactivation N alarm duration duration events hour Digital alarms Compressor 1 2 3 4 high None pressure alarm alarm Low pressure alarm Compressor 1 2 3 4 Compressor coming Pa A07 absent ESE thermal switch alarm on A compressor coming on in the circuit or reversal of 4 way valve absent absent absent Manual reset B B Flow switch alarm Pa A03 Pa A04 Pa A05 Pa A06 Pa A08 alarm TABLE OF ANALOGUE ALARMS Analogue alarms Anti freeze alarm circuit 1 Anti freeze alarm circuit 2 External anti freeze alarm circuit 1 External anti freeze alarm circuit 2 Low pressure low temperature condensation alarm circuit 1 Low pressure low temperature condensation alarm circuit 2 High pressure high temperature condensation alarm circuit 1 High pressure high temperature condensation alarm circuit 2 High temperature regulation algorithm alarm On Off input in heating
64. ol during defrosting PUMP PARAMETERS Pump operating mode May be used to determine pump operating mode O continuous operation l operation in response to a request from the regulation algorithm Delay between pump ON and compressor ON May be used to set a delay between starting a pump and starting a compressor expressed in seconds Delay between compressor OFF and pump OFF May be used to set a delay between turning off a compressor and turning off a pump expressed in seconds ANTI FREEZE BOILER PARAM ETERS Configuration of electrical heaters in defrost mode Determines electrical heater operation during defrosting O come on only in response to a request from the regulation algorithm 1 always on during defrosting Configuration of electrical heaters on in cooling mode Determines electrical heater operation in cooling mode O off during cooling 1 on during cooling in response to anti freeze electrical heater regulation algorithm Configuration of electrical heaters on in heating mode Determines electrical heater operation in heating mode ENERGY 400 Rel 02 00 03 2000 Ing 35 O off during heating 1 on during cooling in response to anti freeze electrical heater regulation algorithm Pa r04 Configuration of electrical heater 1 control probe Pa r05 Configuration of electrical heater 2 control probe Determines the control probes belonging to electrical heaters in heating mode 0 Not present 1 Control probe ST
65. omp 2 hours comp 4 gt hours comp 3 hours comp 1 hours comp 2 2 gt hours comp 4 hours comp 3 2 they will come on in this order Step3 gt Step2 gt Step4 gt RL1 and go off in this order 16 Compressors unvaried on sequence with circuit saturation Compressors unvaried on sequence with circuit balancing Safety timing Off on timing On on timing Off on and on on diagram for 1 compressor On on off off times for 2 comp Pa HO8 1 and Pa H09 0 The compressor con with the lower number comes on first Exactly the same as the first case then its capacity step then the compressor in the other circuit and lastly its capacity step The capacity step for the compressor with the highest number is the first to go off followed by the capacity step of the other compressor and finally the compressor Example Supposing the system has been configured as follows RL1 Compressor 1 circuit 1 Step2 capacity step compressor 2 Step3 compressor 2 circuit 2 Step4 capacity step compressor 2 they will come on in this order RL1 gt Step2 gt Step3 gt Step4 and go off in this order Pa HO8 1 e Pa H09 1 The compressor with the lowest number comes on first Exactly the same as the first case then the compressor in the other circuit the capacity step of the first compressor and then the capacity step of the second compressor They go off in reverse order Example Supposing the system has been conf
66. ompressors on e Pa P03 Delay between regulation algorithm off and pump off An example is provided in the diagram below diagram Reg algorithm ON OFF Compressor ON OFF Pump ON OFF Delay between pun on Delay between compressor off and compressor on and pump off Pa P02 Pa P03 Errore Il collegamento non valido During a defrost when the compressor is off the pump will stay on The pump will go off if e There is a pump shut down alarm such as a flow switch alarm requiring manual reset refer to table of alarms q Y ENERGY 400 Rel 02 00 03 2000 Ing 26 amp diagram Parallel electrical heaters Q Supplementary electrical heaters e The instrument is on stand by or off it goes off after the delay determined by Pa P03 7 3 5 Anti freeze supplementary electrical heater control Energy 400 can control 2 anti freeze electrical heaters Each electrical heater is controlled with its own set point which is different for heating and cooling modes by means of the following parameters e Pa r07 set point of electrical heater 1 in heating mode e Pa r08 set point of electrical heater 1 in cooling mode e Parl3 set point of electrical heater 2 in heating mode e Parl4 set point of electrical heater 2 in cooling mode The two set points of the anti freeze electrical heaters fall within a maximum and a minimum value which the user may set in the form of the following parameters
67. on in cooling mode Configuration of electrical heaters on in heating mode j ectrical heater 1 control probe iguration of electrical heater 2 control probe iguration of electrical heaters when OFF or on STAND BY int of electrical heater 1 in heating mode t point of electrical heater 1 in cooling mode set point electrical heaters in set point electrical heaters esis of anti freeze heaters int of external anti freeze electrical heaters int of electrical heater 2 in heating mode Set point of electrical heater 2 in cooling mode sie lzi l x g s o e Fig Se FIS I 5 5 S S m OD h p gt o o 3 un o O E Cc ct o o D ENERGY 400 Rel 02 00 03 2000 Ing 0 255 C 0 255 Minutes 0 25 Minutes 0 1 Flag lo 0 1 Fag i lede C O e PES ST measurement __ 0 255 Seconds 10 __ 02255 Seconds 10 E 1 99255 E i 1 02255 __L _ __ 0 255 Seconds __ 0 255 Seconds _ LL 0325 Seconds measurement 0 2 Num _ __ 0 255 Seconds 10 ae 02255 us100 0 1 Fg ako __ 0 10 500 800 C 10 Kpa 10 0 255 C 10 Kpa 10 02255 C 10 Kpa 10 02255 C 10 Kpa 10 0 255 Seconds 0 100 96 500 800 C 10 Kpa 10 0 100 Y 0 100 500 800 o Hi C 10 Kpa 10 0 255 0 100 500 800 C 10 Kpa 10 x C 10 Kpa 10 0 25 0
68. perature value ST1 above which the high temperature alarm E46 is triggered Input over temperature duration Determines the duration of the condition described for parameter A25 beyond which the input over temperature alarm is triggered COM PRESSOR PARAM ETERS OFF ON safety time The minimum amount of time that must pass between turning off the compressor and turning it on again Expressed in tens of seconds ON ON safety time The minimum amount of time that must pass between turning the compressor on and turning it on again Expressed in tens of seconds Hysteresis regulation algorithm during cooling May be used to select intervention differential in cooling mode Hysteresis regulation algorithm during heating May be used to select intervention differential in heating mode Regulation algorithm step intervention differential M ay be used to set a temperature differential in relation to the set point beyond which the second step is activated Compressor on interval May be used to set a delay between turning on of two compressors Compressor off interval M ay be used to set a delay between turning off of two compressors Capacity step on interval May be used to set a delay between turning on of compressor and of capacity steps FAN CONTROL PARAM ETERS Fan output configuration 0 proportional fan output from 0 to 100 depending on parameters 1 fan output on off in this mode the regulation algorithm performs the same c
69. plementary electrical heaters The electrical heater output is active only if the relays power outputs are configured as electrical heaters 1 or 2 Pa H35 Pa H40 or Pa N06 Pa NO7 5 or 6 If configured in this way the outputs will command the electrical heater to come on or go off depending on the parameters of configuration of electrical heaters Pa RO1 Pa R06 as described below Pa RO1 Defrost configuration comes on a when requested by a on during defrost control configuration freeze electrical ee control configuration freeze electrical heater control configuration STAND BY Parameters r04 and r05 determine which probe the electrical heaters will control Each of the two electrical heaters may be set to any one of probes ST1 ST2 or ST5 If the is absent or configured as a digital input the electrical heaters will always be off Pa r04 configuration probe set to electrical heater 1 Pa r05 configuration probe set to electrical heater 2 Value Description Parameters Electrical heater off Set to ST2 Set to ST5 po Set to STL a ES 6 7 Internal fan The fan output will be active only if one relay is configured as evaporator fan output The output is ON if at least one compressor is ON otherwise it is off During defrost the output is always off 6 8 Condensation Defrost probes Energy 400 can control defrosting of one or more circuits depending on system configuration Defrost is enabled if e stat
70. r 1 Triggered by the digital input configured as High pressure compressor 1 refer to digital inputs Always manually reset Thermal switch Compressor 2 will be shut down protection compressor 2 Triggered by the digital input configured as Thermal switch compressor 2 refer to digital inputs Automatically reset until alarm events per hour reach the value of parameter Pa A07 after which manually reset Inactive during timer Pa A08 after compressor is turned on High pressure Compressor 2 will be shut down compressor 2 Triggered by the digital input configured as High pressure compressor 1 refer to digital inputs ul t High pressure circuit 2 Compressors in circuit 2 will be shut down Triggered by the digital input configured as High pressure circuit 2 refer to digital inputs Low pressure circuit 2 Compressors in circuit 2 will be shut down as well as condenser fans if the 2 circuits have separate condensation refer to combined or separate condensation Triggered by the digital input configured as Low pressure circuit 2 refer to digital inputs Automatically reset until alarm events per hour reaches the value of parameter Pa A02 after which manually reset Inactive during timer Pa A01 after compressor on or reversal of 4 way valve reversing valve of circuit 1 Thermal switch Compressor 3 will be shut down protection compressor 3 Triggered by the digital input configured as Thermal switch compressor 3
71. red present It is impossible for A not to be declared present ENERGY 400 Rel 02 00 03 2000 Ing 20 Operating modes Cooling Heating Stand by Device off Operating modes configuration table 7 TEMPERATURE CONTROL FUNCTIONS Once Energy 400 has been configured loads may be controlled on the basis of temperature and pressure conditions detected by probes and temperature control functions which may be defined using the appropriate parameters There are 4 possible operating modes e cooling e heating e stand by e off Cooling this is the summer operating mode the machine is configured for cooling Heating this is the winter operating mode the machine is configured for heating Stand by the machine does not govern any temperature control function it continues to signal alarms Off machine is turned off The operating mode is determined by settings entered on the keyboard and by the following Parameters Configuration parameter ST1 Pa H11 refer to Analogue inputs configuration table Configuration parameter ST2 Pa H12 refer to Analogue inputs configuration table Operating mode selection parameter Pa H49 Heat pump parameter Pa H10 Operating mode selection parameter Pa H49 0 Selection from keyboard 1 Selection from digital input refer to digital inputs Heat pump parameter Pa H10 0 Heat pump not present 1 Heat pump present Combinations of these parameters will generat
72. rmally refers to leds Average number of hours is the ratio between the total number of hours for which the compressors are available and the number of compressors in the circuit Devices in the system including compressors fans hydraulic pump electrical anti freeze heaters A reference value set by the user defining the system s operating status such as the thermostat that controls temperature in the home if we want to maintain a temperature of 20 C we set the set point to 20 C the heating system will come on if the temperature in the house falls below 20 C and go off if it exceeds this value Values falling within a given interval Range 1 100 indicates all values between 1 and 100 A hysteresis is normally defined around a set point to prevent frequent oscillation of the change of status of the load being controlled Example suppose we have a set point of 20 C on a probe for measurement of room temperature above which a compressor will be started up When room temperature nears the set point 20 C there will be an unstable phase during which the relay which starts up the compressor will frequently switch from ON to OFF and vice versa which could result in serious damage to the system To prevent this problem a hysteresis is defined an interval of tolerance within which there will be no change in status in our example we could set a hysteresis of 1 C in which case the compressor would be started up at 21 C set point
73. s Analogue input low pressure temperature activation set point May be used to set a temperature pressure value below which the low pressure alarm will be triggered Analogue input low pressure temperature hysteresis May be used to set the differential for the analogue low pressure temperature alarm Number of analogue input low pressure alarm events per hour May be used to set a number of low pressure analogue alarm events per hour beyond which the alarm will be switched from automatic to manual reset Machine out of coolant differential If the difference between the absolute value of the set point and of the control probe exceeds this parameter the machine out of coolant timer will start Bypass machine out of coolant Determines the delay between the turning on of the first compressor in the corresponding cooling circuit and activation of the machine out of coolant alarm diagnostics Expressed in minutes Duration of machine out of coolant Determines the duration of the condition described under parameter A20 beyond which the machine out of coolant alarm will be triggered Machine out of coolant alarm triggered Enables machine out of coolant alarm diagnostics 0 diagnostics disabled 1 diagnostics enabled Enable low pressure alarm during defrosting Enables the minimum alarm during defrosting 0 Low pressure alarm diagnostics disabled during defrosting 1 Low pressure alarm diagnostics enabled during defrosting Input over temperature set point Tem
74. s per hour beyond which the system will switch from automatic reset to manual reset Bypass pump activation flow switch Determines the delay between activation of the hydraulic pump and activation of the flow switch alarm diagnostics Expressed in seconds Duration of active flow switch input May be used to set the amount of time for which the flow switch digital input must remain active to generate a flow switch alarm The timer starts after the flow switch by pass time Expressed in seconds Duration of inactive flow switch input May be used to set the time for which the flow switch digital input must remain inactive to be included in the corresponding alarm Expressed in seconds Number of flow switch alarms hour May be used to set the number of flow switch digital alarms per hour after which the alarm is switched from automatic to manual reset When this occurs the hydraulic pump is deactivated By pass compressor thermal switch following compressor on Determines the delay between compressor activation and activation of the compressor thermal switch digital diagnostics alarm Expressed in seconds Compressor thermal switch alarm events per hour May be used to set a number of compressor thermal switch alarm events per hour beyond which the alarm is switched from automatic to manual reset Number of fan thermal switch events per hour May be used to set a number of fan thermal events per hour beyond which the alarm is switched from automat
75. st circuit defrost Pa d08 On a dual circuit machine with combined defrost the following condition must apply e inthe circuit for which defrost start is not requested compressor safety time 0 refer to safety timing so that the two circuits may both start a defrost at the same time If at the time of defrost start the compressor 4 way valve delay time Pa d06 0 the compressor will stay on if not the adjustment shown in the diagram below will be carried out ENERGY 400 Rel 02 00 03 2000 Ing 28 diagram Compressors Reversing valve Fans Parameter configuration GB gt Drip time A Defrost start Defrost start Compressor ON OFF Reversing valve ON OFF gt Pa d06 Pa d06 8 2 2 Control during defrost During the defrost cycle loads are controlled as described below compressors in the circuit for which defrost is underway will be turned on to full power if not already on at full power The reversing valve in the circuit for which defrost is underway will behave the way it does in the summer cycle When the valve is reversed a timer begins counting the minimum by pass time for the circuit involved equal to minimum by pass time during cooling Pa A01 If the condensation pressure detected falls below Pa F23 Pa F24 the fan will be OFF if it exceeds Pa F23 the fan will be ON At the end of the drip stage if parameter Pa D07 is not 0 the fans will operate at full speed for an
76. t All loads will be shut down Triggered if probe ST6 configured as an analogue input shorts or is cut off or probe limits are exceeded 50 C 100 C External circuit 2 anti Fans and compressors will be shut down freeze Active if analogue probe ST6 refer to analogue inputs is configured as an external anti freeze probe Pa H13 4 Active when probe ST6 detects a value lower than Pa A11 Goes off if probe ST6 detects a value greater than Pa All Pa A12 Automatically reset until alarm events per hour reach the value of parameter Pa A13 after which manually reset Inactive during timer Pa A10 after Energy 400 is turned on using the On OFF key refer to keyboard or ON OFF digital input refer t High pressure Compressor 3 will be shut down compressor 3 Triggered by the digital input configured as High pressure compressor 3 refer to digital inputs Always manually reset Thermal switch Compressor 4 will be shut down protection compressor 4 Triggered by the digital input configured as Thermal switch compressor 4 refer to digital inputs Automatically reset until alarm events per hour reaches the value of parameter Pa A07 after which manually reset Inactive during timer Pa A08 after compressor on High pressure Compressor 4 will be shut down compressor 4 Triggered by the digital input configured as High pressure compressor 4 refer to digital inputs Always manually reset Probe ST1 fault All loads will be shut
77. tal input configured as High pressure Li ea in circuit 1 will be shut down also condenser YES1 YES1 YES1 YES fans if condensation is separate for the 2 circuits refer to combined or separate condensation Triggered by the digital input configured as Low pressure circuit 1 refer to digital inputs Automatically reset unless alarm events per hour reaches the value of parameter Pa A02 after which manually reset Inactive during timer Pa A01 after compressor on or reversal of 4 way valve reversing valve in circuit 1 Compressor 1 will be shut down Triggered by the digital input configured as Thermal switch compressor 1 refer to digital inputs Automatically reset until alarm events per hour reaches the value of parameter Pa A07 after which manually reset Inactive during timer Pa A08 after compressor on Fans and compressors in circuit 1 will be shut down if the 2 YES1 YES1 YES1 YES circuits are set up for combined condensation refer to YES YES combined or separate condensation compressors in circuit 2 will also be shut down Triggered by the digital input configured as Thermal switch fan circuit 1 refer to digital inputs Automatically reset until alarm events per hour reaches the ue of parameter Pa A09 after which manually rese m Une Fans and compressors in circuit 1 will be shut down YES1 YES1 YES1 YES Active if analogue probe ST2 refer to analogue inputs is configured as anti freeze pro
78. tion will be active if ST1 is configured as differential NTC input Pa H11 4 e if ST4 is configured as outdoor temperature input Pa H14 3 In this case the controller will not control on the basis of ST1 but on the basis of the difference between ST1 ST4 if configuration parameter ST3 is equal to 5 for water water machines with manual reversal in heating mode the controller will always control on the basis of ST3 Differential temperature control can be used for instance to maintain a constant difference in temperature between the outdoor environment and a liquid being heated or cooled A compressor will always be off if e It isnot associated with a relay power output The compressor has been shut down refer to table of alarms Safety timing is in progress The time lapse between pump on and compressor on is in progress safety timing Preventilation is in progress in cooling mode Energy 400 is in stand by or off mode The parameter for configuration of probe ST1 Pa H11 0 probe absent 7 3 2 Condensation fan control Condensation control is dependent on the condensation temperature or pressure for the circuit Fan control will be on if e atleast one probe per circuit is configured as a condensation probe pressure or temperature if not the fan for the circuit will come ON and go OFF in response to the circuit compressors Fan control may be independent of the compressor or it may be carried out in response to requ
79. to control single and dual circuit chillers and heat pumps To ensure safety the controller must be installed and operated in accordance with the instructions supplied and access to high voltage components must be prevented under regular operating conditions The device shall be properly protected against water and dust and shall be accessible by using a tool only The device is suitable for incorporation in a household appliance and or similar air conditioning device According to the reference regulations it is classified e in terms of construction as an automatic electronic control device to be incorporated with independent assembly or integrated e n terms of automatic operating features as a type 1 action control device with reference to manufacturing tolerances and drifts e Asa class 2 device in relation to protection against electrical shock e Asa class A device in relation to software structure and class 12 2 Forbidden use Any use other than the permitted use is forbidden Please note that relay contacts supplied are functional and are subject to fault in that they are controlled by an electronic component and be shorted or remain open protection devices recommended by product standards or suggested by common sense in response to evident safety requirements shall be implemented outside of the instrument ENERGY 400 Rel 02 00 03 2000 Ing 47 13 RESPONSIBILITY AND RESIDUAL RISKS Microtech shall not be held
80. trol hysteresis is Pa C04 heating control hysteresis 7 3 6 Reversing valve control The reversing valves are turned off if Energy 400 is off or on stand by The valves are ON in cooling mode and OFF in heating and defrost modes ENERGY 400 Rel 02 00 03 2000 Ing 27 Stopping timer Setting timer to zero Defrost compressor management P P 8 FUNCTIONS 8 1 Recording hours of operation The devices stores the number of hours of operation of the following in permanent memory e hydraulic pump e compressors It is precise to within one minute Hours of operation may be displayed by entering the appropriate menu with the label Ohr refer to menu structure The whole value is displayed if it is less than 999 hours if it exceeds this value the hundreds of hours will be shown and the decimal point will appear For example 1234 hours will be displayed as follows To set the number of hours to zero hold the DOWN key refer to keys down for two seconds while displaying the number of hours of operation Power failure MEMORY MFMORY In the event of a power failure the latest fraction of an hour recorded is set to 0 so that duration is rounded down 8 2 Defrost The defrost function is active in heating mode only It is used to prevent ice formation on the surface of the external exchanger which can occur in locations with low temperatures and high humidity and will considerably reduce the machine s ther
81. tted absent ST1 water or air Configuration of Probe NTC input analogue input absent outflowing ST2 water air anti freeze Configuration of Probe NTC input analogue input absent condensation ST3 Digital input request for cooling 4 20 mA condensation input Probe NTC input absent condensation Multifunction al digital input Not permitted NTC input for outdoor temperature Not permitted Not permitted Configurat Probe NTC input Not permitted Not permitted Not permitted analogue i absent outflowing ST5 water air Configuration of Probe NTC input 4 20mA input Not permitted Antifreeze Not permitted analogue input absent condensation Condensation input or ST6 circuit 2 water water gas reversal machines If inputs ST3 and ST6 are defined as 4 20mA inputs under pressure the scale bottom value of the pressure input is also significant Pa H17 Maximum input value set the corresponding value to a current of 20 mA ENERGY 400 Rel 02 00 03 2000 Ing 4 3 Configuration of digital inputs Digital inputs There are 11 voltage free digital inputs which will henceforth be identified as ID1 ID11 ST1 ST2 and ST4 may be added to these if they are configured as digital inputs through parameters Pa H11 Pa H12 Pa H14 4 more digital inputs are available on the extension Digital inputs The polarity of digital inputs is determined by the parameters listed below polarity D1 I
82. ut off delta F 10 Cooling prop band F09 In cooling mode only if Pa FO5 0 if the compressor is turned off the fan is off parameter Pa F21 preventilation time for outdoor fan is active Before turning on the compressors in the circuit the fan must be turned on for an amount of time equal to Pa F25 fan speed is proportionate to condensation temperature but if the control requests cut off during this time period the fan will run at the minimum speed setting Q This parameter prevents the compressor from starting up with a condensation temperature that is too high Heat mode CONDENSATION FAN CONTROL IN HEAT MODE Pa F15 z Minimum fan speed in HEAT mode Pa F16 Maximum silent fan speed in HEAT mode Pa F17 Minimum fan speed temperature pressure set point in HEAT mode Pa F18 Fan prop band in HEAT mode Pa F10 Fan cut off delta Pa F11 Cut off hysteresis Pa F19 2 Maximum fan speed in HEAT mode Pa F20 2 Maximum fan speed temperature pressure set point in HEAT mode An example of interaction of these parameters is shown in the figure below Fan control in heat mode Fan control in heat mode diagram External fan in HEAT mode Speed Set max 9 fan heating F20 ist cutoff F11 Set fan heating F17 Max speed F19 Max speeed silent F16 Ist cut off F11 Min speed F15 OFF L A as Heating prop band F18 Cut off daka F10 ENERGY 400 Rel 02 00 03 2000 Ing 25 If circuit is in
83. with I O resources and a CPU as described in the section on connection diagrams 3 1 2 Extension The basic module is an electronic card for connection as described in the section on connection diagrams 3 1 3 Keyboards Two types of keyboard are available e TS P Panelkeyboard 32x74 e TS W Wall mounted keyboard 3 1 4 CF Control Fan Modules Used to connect fans with Energy 400 low voltage outputs 3 1 5 Copy Card Can be used to upload and download the Energy 400 parameter map 3 1 6 Serial Interface EWTK A device which permits the controller to interface with a Personal Computer It must be connected up as illustrated in the figure PTTL er RS232 R5232 connection TTL TTL or bir RSAB5 RS485 connector SERIAL CONNECTION connaction INTERFACE MODULE DEVICE PERSONAL lt EJ COMPUTER The PC must be connected with the interface module and the interface module with the device with no power on to any of the devices and in compliance with current safetyregulations Be careful to avoid electrostatic shocks especially on exposed metal parts of the devices allow electrostatic shocks to discharge into the ground before handling 3 1 7 Param Manager If you have an adequate Personal Computer with Windows 95 or a more recent operating system the Param Manager software an adequate interface module and proper wiring you can have full control over all Energy 400 parameters via Personal Computer The instrument
84. ye y sed Aaa z ENERGY 400 PRELIMINARY technical user manual electronic controller for Chiller Heat pump up to 4 steps M mania 1 SUMMARY LI oni 2 i Pre A 4 3 MIlano Sil Suo o EE 311 Energy 400 T 312 algo M 3 13 c oo po M acta 314 CF Control Fan Modules 3 15 Copy Catil ossa 3 1 6 Serial UREA TCS UM TIR scita cte tt kd dtc ducat p d ula E ian 317 Pato al RR niani dn bau ute aaa Rad aa dun cwn eta un mesa M dto nnt TR ub E D RU EE 5 4 Installation AT COMIC O a di Aaa 6 42 Confg retiemer analogus IIR EE lalalala aaa 6 43 COMO er ORI ITI Gece ne eae enceinte sect cuperet aaa 8 44 Sonnguhation oro os de e Raten etie tee peter irte e eet etd tede cie aee eee 9 441 Power outputs a9 4 4 2 Low voltage outputs wd 44 3 A timc di 409 45 Physical quantities and units of Measurement 9 User WIEST ria TTE 10 Sl lacci 10 MEDI EM 10 521 LL A 10 5 22 Cc UI 10 5 3 Wall mounted REVO BOG iii 11 5 4 Programming parameters Menu le VelS sscssssssssssesssessssessssesssssssesssssssssssessseassusessecassnsassesacsesansessnsessssesesseseseaseateseesey 11 5 5 Visibility of parameters and SUDMENUS iii 14 5 5 1 I

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